Author Archives: Vanisa

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Angola 240 tons of corn equipment test yesterday–2018.8.10

Category : Uncategorized

Yesterday afternoon, 240-ton corn milling equipment the Hongdefa installed project in Cabinda, Angola test.

240T maize mill plant in Angola

Our engineers are doing the final preparations

240T maize mill plant in Angola (2)

240T maize mill plant in Angola (2)

240T maize mill plant in Angola (6)

PLC control system 

240T maize mill plant in Angola (7)

Automatic packaging machine 

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How do I view Chinese flour processing machinery?–2018.8.2

            How do I view Chinese flour processing machinery?


I am Guojun Ma, born in 1961, graduated from secondary school in 1980, and now is a Technical Manager working at Shijiazhuang Hongdefa Machinery Co., Ltd.

In 1980, I joined the Zanhuang Flour Machinery Factory and worked as a salesman in the sales department. In 1984, I joined the installation department and was responsible for installing and commissioning flour mill machinery for customers. Zanhuang Flour Machinery Factory is an excellent enterprise of China Machinery Department and Hebei Province. It is a national second-level enterprise specializing in the production of wheat flour grinding mill and maize grinding mill. Since the development of the first set of small and medium-sized flour processing equipment in 1979, the products have been sold at home and abroad for 17 years, and the production and sales volume of the same industry in the country is the first.


 the first case in China

the first case in China                                                  

 the first case in China

the first case in China








In 1986, I was responsible for the development of 6FTS12T complete milling equipment, the first case in China.


6FTS 5T flour equipment

6FTS 5T flour equipment

Development of 6FTS 5T flour equipment in 1984

Chengdu Exhibition

Chengdu Exhibition

Maize processing equipment  1988 Chengdu Exhibition

Beijing Exhibition

Beijing Exhibition

Beijing Exhibition in 2001

line up for the farewell

line up for the farewell

Among them, one of the founders of Africa Trading Co., Ltd. /  Shijiazhuang Hongdefa Machinery Co., Ltd. Guo Zhenfa was responsible for the installation and commissioning of the first set of flour processing equipment exported by China in 1982. At that time, it caused a lot of sensation. On the day they set off for installation, the whole factory staff went to the door to line up for the farewell. Although it was about 30 years in a blink of an eye, the scene was still vivid, and it was a great envy and a great glory. I think because of this, my current boss has already started to do foreign trade, so that after the factory was divided into the international department and the country, Mr.Guo has been selling, installing and debugging in the international department, because of so many years of accumulation, MR.Guo can create the brand “Hongdefa”.

In 2005, Zanhuang Flour Machinery Factory closed because of the enterprise policy change and joint-stock enterprises establishment in China.

In 2006, I joined Shijiazhuang Africa Trading Co., Ltd. and continued to work on flour machine technology and international trade. In 2009, our company established Shijiazhuang Hongdefa Machinery Co., Ltd which is mainly aimed at the research and development of maize/wheat processing machinery in Africa, South America and some Southeast Asian countries to produce maize/wheat/corn flour grinding mill that can adapted to local market need.

120T maize grinding mill in Zimbabwe.

120T maize grinding mill in Zimbabwe.

This picture was taken in 2008 when I was installing and commissioning a 120 T/24h maize grinding mill in Zimbabwe.

In 2013,we have established a branch office in Lusaka,Zambia,this is more convenient for the door to door customer services for our clients.

together with Zambia clients

together with Zambia clients

I was in Zambia in 2014 to do some technical guidance work for maize milling machines,together with clients.

50T maize grinding mill for Kenya client

50T maize grinding mill for Kenya client

In the year 2015, Kenya client visited our factory and purchased our 50T/24H maize grinding mill

This maize grinding mill running in Nairobi, European standard machinery with vertical design. It occupy a workshop building 33M*12M*8M, packing machines adopt automatic packing machines.

We make the factory design for client, it’s a professional modernized factory design for this 50T/24H maize grinding mill project.

We build our branch office in Ethiopia in 2016, branch office in Uganda in 2017, and will have more and more branch office be built in Africa countries to supply the most convenient after-sale service for our maize mill and wheat flour mill clients.

installation of the 200T wheat flour grinding mill project

installation of the 200T wheat flour grinding mill project

In 2017, I guided the installation of the 200T/24H wheat flour grinding mill project in Brazil. It adopt 5-floor building and the photos took when i check the roller mill condition, I stayed in Brazil 6 months, operate the machine for client and trained client’s millers how to operate the machines and handle the daily problems, when everything I think goes well, then back China.

The client bough the 60T/24H wheat flour grinding mill in 2012. I made the installation work for him, the machine adopt steel structure frame design. It already running 6 years till now.

In this year,I did more than 4 sets 30T maize milling machine installation work in Tanzania, Kenya, Zambia and Uganda. And I will keep learning and training, supply more and more professional installation and training works to more clients, do what I can do for the food processing of the world to is what I always pursue! Hope the maize milling and wheat flour mill technology will make the world of people have a better life! And same time, hope our Hongdefa machinery can do more and more maize milling plant and wheat flour mill project for all over the world!

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President Xi Jinping will pay a state visit to Africa countries—2018.7.18

From July 19th to 28th, our China President Xi Jinping will pay a state visit to the United Arab Emirates, Senegal, Rwanda and South Africa, attend the tenth meeting of the BRICS leaders in Johannesburg, South Africa, transit Mauritius and conduct a friendly visit.

BRICS leaders

BRICS leaders

The trip to Middle East Africa was the first visit of Xi Jinping after he was re-elected as the president of the country. It is a major diplomatic action for China in the context of the profound evolution of the international situation. It is of great significance and attracts worldwide attention.


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How to buy 50t maize grinding mill from Hongdefa?

How to buy 50t maize grinding mill from Hongdefa?

A get familiar of 50t maize grinding mill

50 per 24Hours maize flour grinding mill Introduction:

Special design for Africa Countries maize

Japanese degerminating technical for super whitemaize flour/maize meal/maize grits

Over sea service center: Zambia Branch office, Uganda Branch office, Ethiopia Branch Office

50T per 24Hours mazie grinding mill Photo:

50t maize milling machine

50t/24h maize grinding mill

Diagram of 50t maize grinding mill

Diagram of 50t maize grinding mill

50T per 24H maize meal machine technical data :

50T/24H maize mill Detail introduction:

This line be installed in Zambia, Kenya, Uganda, Tanzania, South Sudan, Zimbabwe, South Africa and so on.


1). Degerminator remove all germ and peel

2). Automatic maize roller mill with Siemens electrical elements SKF bears.

3). Pipes in milling section is stainless steel pipes

4). PLC full automatic control system


1). PLC automatic control system, easy operate with high-technology

2). Various final products: super mazie meal, pure white flour, grits, maize flour

3). Maize flour mill machine can be adjust to produce different kind final products  

 depend on market needs

After service:

1). Engineer team for over sea installation and maintain is available

2). Over sea branch office in Zambia, Uganda, Ethiopia         

50T per 24Hours maize flour grinding mill Technical view:

Technical flow drawing

Technical flow drawing

3D view of 50t maize flour mill machine

3D view of 50t maize flour mill machine

3D view of factory design

3D view of factory design

B why make order for 50t maize grinding mill from Hongdefa ?

50T per 24 Hours maize grinding mill machinery Making Orders

Zambia client Mr Mohsen first visit our factory in 2013. He ordered the 50T/24H maize flour mill, the machine bring him lots of profit, he is very satisfied with our maize mill machinery. On 2017, he expand the company scale, ordered our another 200T/24H maize milling machine.

Client story

Client story

Company development

Mr. Guo zhenfa (CEO)


Mr Guo Zhenfa worked in the flour machinery company which hold by the government. Export and installed the first corn flour milling machine in Burundi. In the year of 2000, as China economic develop, the company start Transition Reform, government encourage Private Enterprise development.

Visit clients

Visit clients

2002 CEO make great decision, start the Entrepreneurial path. Establish international business, sold many sets flour mill machine to Vietnam, Ghana, Ethiopia(500t wheat flour mill machine factory named Afia food) and so on.

2006 after years explore, The Shijiazhuang Africa Trading Company limited found, start including marketing, design, manufacture, installing, testing and over sea after-sales service a totally factory. The factory covering 33 000.00 square meters.

hdf factory

hdf factory

2006-2018 we have installed many sets flour mill machine in like, the biggest flour mill machine project 240t maize milling meal in Zambia, 150t maize milling machinery in Kenya, 200t wheat mill in Brazil. 200t wheat flour mill in Egypt 100t maize flour mill machine in Venezuela, 100t wheat flour milling machine in America, Etc. Now we have branch office in Zambia , Uganda, Ethiopia for better after-sales service for client.

hdf team

hdf team

Hongdefa big family looking forward to cooperation with you on wheat flour grind mill and maize grinding mill!


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Our Hongdefa team has returned back to Kenya to China–2018.7.10

Our Hongdefa team has returned back to Kenya to China.



Now they are in office ,China . #Hongdefateam #flourmillmachinery Would you like to come to China , visit our factory and see the running machine ?



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The Saba saba trade fair is in full swing–2018.7.3

The Saba saba trade fair is in full swing, Lila and Penny have received many customers, telling them about equipment knowledge and answering their questions. #Hongdefa #Sabasabtradefair #Tanzania #Daressalaam #flourmillmachinery #maizemill #wheatflourmill

Lila in Saba saba trade fair

Lila in Saba saba trade fair

Mrs Lila is introducing our products to clients in Saba saba trade fair

Mrs Lila is introducing our products to clients in Saba saba trade fair

Penny in Saba saba trade fair

Penny in Saba saba trade fair



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Hongdefa team to Saba saba Trade Fair — 2018.6.30

Our Hongdefa team  arrived at Dar es salaam , to attend  Saba saba Trade Fair.

Hongdefa team

Hongdefa team

There are the time and our booth in Saba saba Trade Fair  at Dar es salaam:

30th June -8th July, 2108
Booth 87, Karume Hall

Saba saba Trade Fair

Saba saba Trade Fair

Welcome to Saba saba Trade Fair and talk with our prople face to face about maize milling machine and wheat flour mill .

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Hongdefa team arrived at Nairobi for flour mill machines–2018.6.30

Hongdefa team already arrived at Nairobi . They will stay at there for one week .

Our Hongdefa team

Our Hongdefa team

They are experienced and familiar with our flour mill machinery , maize grinding mill and wheat flour mill. About different capacities of milling machine and technical datas.



Welcome to Nairobi and have a meeting with our people !

For more details , you can contact with us !

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new for maize

Category : Uncategorized

new for maize

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My trip to Tanzania for maize wheat flour mill business

In July of last year, we first came to Dar Es Salaam to attend the Saba Sabah trade fair.

Just getting off the plane we were so attracted by the blue sky and comfortable weather. The friendly Tanzania people make us deeply in love with this place.


Tanzania is a country in Eastern Africa within the African Great Lakes region. It borders Kenya and Uganda to the north, Rwanda, Burundi and Congo DRC to the west, Zambia, Malawi and Mozambique to the south, and Indian Ocean to the east. The capital city of Tanzania is Dodoma, the official languages of Tanzania are Swahili and English. The currency of Tanzania is Tanzanian Shilling (Tsh or TZS). Tanzania is considered one of the earliest places in Africa where the earliest Homo habilis inhabited after a 1.75 million years old age fossil was found in Olduvai Gorge.


The largest city of Tanzania is Dar es salaam, it is also the former capital and it is the country’s commercial centre.


Located on northern Tanzania, Arusha is a multicultured region with people from all over the world. It is also the headquarters of East African Community.

Arusha Clock Tower


Zanzibar also known as “The Island of Spices”, is a semi-autonomous archipelago off the coast of Tanzania consisting of  Zanzibar Island (locally, Unguja), Pemba Island and many smaller islands. It is rich in history and culture, with a lot of historical important buildings. The beach in zanzibar are also spectacular.


Sultan Palace


Mwanza is located on the southern shores of Lake Victoria, it is also called “Stone City” or “City among rocks” as you can see for yourself from the images below.


Stone City





Serengeti is one of the 7 natural wonders of the Africa, one of the ten natural travel wonders of the the world. It hosts the largest lion population in the world and it also hosts the largest mammal migration in the world. Every year, almost 1.5 million Wildebeest and more than 200,000 Zebras engage in a 2000 kms migration to find the green pastures.




Serengeti is the land of Masai people and the pride of the world






Mountain Kilimanjaro is the Highest mountain in Africa.


The last one to introduce is Tanzania delicacy food, It’s also a staple food. I like so much these kinds of local Tanzania food Ugali!

In Tanzania most common dishes is Ugali. It is usually composed of maize and is similar in consistency to a stiff paste or porridge, giving it its second name of corn meal porridge. Beef, goat meat, beans, yogurt, and a wide range of fish and green leafy vegetables all add nutrients to the dishes.


In Tanzania market, making the Ugali raw material is maize flour, the local people called Sembe, Dona.


Do you know what kinds of maize flour mill machine can produce the high quality maize flour to do Ugali?

Here is the details:

We attended the Sabasaba trade fair to show complete line maize flour mill machine and which is process raw material maize to maize flour Sembe, Dona. At Exhibition we meet many clients, we talked about the details about maize flour mill machine, we know the best technical to produce best quality Sembe, Dona to available in Tanzania.



In Arusha we have running 20T/24H maize flour mill machine, this machine is complete line.

It includes the cleaning, degerminating , milling, packing and controlling system.




The advantage of maize milling machine:


  1. Maize milling machine cleaner to ensure the Sembe/Dona quality and the working life of the mill by removing the impurities in the maize before go to mill



  1. Stainless steel moisture damper in maize milling machine

Dampening the maize bran before mill to ensure the bran soft, easy separate from maize kernel during the degerminaiting processing, keep flour quality.


  1. The degerminator with Japan Technology, it will realize the separating of endosperm and maize skin and germ to insure can get pure sembe, Dona with low fat.


  1. Stainless steel pipes in milling system, more durable, health with long life.



  1. The mill is one of most important machine of whole maize processing line, is mainly for grinding. To break big size maize endosperm to small size. Depend on client’s market need to mill Sembe Dona etc.


  1. According to the clients market need the screen can adjust to produce mostly suitable final product. High efficiency sifting, mix proof to get credible run, a perfect classification machine. can classify the material that from break, reduction and scratch systems and sifting to get the Sembe Dona to suitable for Tanzania Market.


  1. Maize milling machine packing section, The packing part can be manual one also can be auto one, this can be designed according to requirement and machine capacity.


  1. PLC touch screen control system, You can use screen to control all machines like mobile phones.


The maize milling machine industry is very well in Tanzania, now we have many new orders from Tanzania, like 50T/24H maize milling machine, 30T/24H maize milling machine, 20T/24H maize milling machine , 10T/24H maize milling machine.


So if you are interested in this maize flour mill machine business, contact with us and come to meet with us.

Considering the very good gain last year, Hongdefa team will attend the Trade Fair in Dar es Salaam in 2018 too, here is the details if you would like to meet with us:
1.  Name: 42nd Dar es Salaam International Trade Fair 2018(Sabasaba Trade Fair)
2.  Show Time: 28th June- 13th July,2018
3.  Address:  Mwalimu J. K. Nyerere Trade fair Grounds,
Plot. No. 436 Block A, Kilwa Road, Dar Es salaam, Tanzania
4.  Hongdefa booth: Booth 87, Karume Hall
Hope to meet you at beautiful Dar Es salaam and have a good meeting to discuss about maize flour mill machine and wheat flour mill machine project, the engineer will give you professional answer.


The time to Tanzania this year is coming soon, I am so exited and hope to see you all there.

If you need to communicate more before we come, feel free to contact with me, here is my contact details


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final maize products

Does Hongdefa maize flour mill machine can make quality maize flour for delicious Sadza/ugali/fufu?

Does Hongdefa maize flour mill machine can make quality maize flour for delicious Sadza/ugali/fufu?

Have you been to South Africa, Zimbabwe , Kenya or other southern countries before?

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If you did I am sure you must tasted the local food made by Maize flour, it called Sadza (Zimbabwe ),Ugali(Uganda ),Fufu (DRC) ,Posho(Kenya)etc.It is the most common food in Zimbabwe. Just same food with different name in different Africa countries. They are their staple food , the local people eat this food almost every day, supper or lunch. Serve it with vegetable , potato, beef , fish or chicken . its really delicious.

maize flour food


Sadza is cooked slowly until thick, like porridge. The Sazda quality is depends on the grade of maize meal. The quality of maize flour is not good and the taste will be rough. If the flour is good quality, the taste will be very delicate.

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This time when I was in Zimbabwe, we visited some local maize milling machine factories. Their machines are old and need to upgrade with the new technology to make sure the final maize flour high quality.

Does Hongdefa maize flour mill machine can make quality maize flour for delicious Sadza/ugali/fufu?  The answer is 100 percent sure.

Hongdefa maize milling machine is making best quality flour. Preparation of the maize for the milling process, Before the milling process proper can commence the maize must be suitably prepared. During this operation all impurities and foreign matter are removed, and finally the maize is conditioned by allowing a controlled quantity of water to penetrate the bran before the grain is ready for milling.

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Maize cleaning process using vibrating sieve, destoner, magnetic separators for drying cleaning. Use American design degerminator to get whole pcs germ, and use gravity table to getting the maize germ. We use double screw damper for keeping moisture the maize, microcomputer control the water damper, add water to ensure a more accurate and uniform water, prevent free water. A moisture addition of 6% to 8% and lying time of 20 minutes should result in clean separation of the maize components by the degerminator under normal condition, the use of degerminator for peeling maize into small pieces and embryo separated in order to ensure quality and by fully mechanized and use.

Milling process use light maize milling subdivision research methods, use of advanced maize milling and sifting equipment to ensure that its process effect, using a set of pneumatic conveying systems, blower air system, the process can also produce 3-6 kinds of high-quality final products, the fat content is not more than 1%.

Advanced craftsmanship and detail-oriented processes ensure the production of high quality maize flour.

Its wise choice to take HONGDEFA maize flour milling machines!

We can meet all flour mill’s requirements , trust us trust Hongdefa!

Here is the recipe you can try to do make nice Sadza/ugali/fufu .

Put maize flour into pot, Add cold water to make a paste. Put pot on stove and add boiling water whilst stirring simultaneously.Keep stirring until it boiling. Cover pot and let it simmer for 15 minutes.

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After 15 minutes, add more maize flour bit by bit and mix.  When it’s just about to reach the consistency you want, cover it and  let is simmer for 5 minutes. Your Sadza/ugali/fufu is ready.

If you want to get the high advanced quality maize flour milling machine, contact with me freely.

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Here is my contact details, just feel free contact me:

Cel/WhatsApp/Wechat: +86 138 3346 1840


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Nuestra delegación de la compañía visitará Zimbabwe a principios de abril



Decidimos visitar Zimbabwe a principios de abril para intercambios amistosos entre nuestra empresa y los clientes de Zimbabue.


Zimbabwe produce principalmente maíz, tabaco, algodón, flores, etc.El área de tierra cultivable es de 33,28 millones de hectáreas, y la población agrícola representa el 67% de la población nacional.


Nuestro proyecto de cooperación con Zimbabue es equipos de molienda de maíz.En 2009 instalamos 10 toneladas molino de maíz en Zimbabwe;En 2010 instalamos 50 toneladas molino para maíz en Zimbabwe;En 2012 instalamos 20 toneladas de equipos de molienda de maíz en Zimbabwe;En 2015 instalamos 30 toneladas y 50 toneladas de molino de maíz en Zimbabwe.En 2017 instalamos 90 toneladas de molino de maíz en Zimbabwe.Nuestro equipo de molienda puede moler harina de maíz de alta calidad, sémola de maíz, la harina producida se puede usar para hacer deliciosos alimentos como Sadza, inflados, etc.

food and equipment

Hemos establecido una profunda amistad con los clientes en Zimbabwe.Ojalá nuestra cooperación sea cada vez más a largo plazo!


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Maize flour meal and food kinds

There are differences in the thickness of maize flour. Maize flour meal is rich in nutrients, according to the color,maize flour has yellow and white. A lot of different kind of maize flour food , maize contains a lot of lecithin, linoleic acid, grain alcohol, vitamin E, cellulose, with blood pressure, lipid-lowering, anti-atherosclerosis, prevention of bowel cancer, beauty, anti-aging and other health care Efficacy, but also suitable for diabetic patients to share. Maize flour completely retains the nutritional content of maize and conditioning functions, and improve the coarse food noodles taste bad and not easy to digest the shortcomings.

maize final products

maize flour kinds

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Nutritional content editor

Maize flour is rich in nutrients. In the United States and some other developed countries, maize has been listed as the first health food in cereals, known as the “golden crop.” The study found that maize contains large amounts of lecithin, linoleic acid, cereal alcohol, vitamin E, cellulose, etc., with lower blood pressure, lipid-lowering, anti-atherosclerosis, prevention of bowel cancer, beauty and beauty, anti-aging and other health effects , Is also suitable for diabetic patients.

maize flour from maize mill machine

maize flour

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Cereal – maize flour(yellow) nutrient content (referring to 100 grams of edible food content)

Production of maize flour

Production of maize flour

Calories (kcal) 341 Thiamine (mg) .26 Calcium (mg) 22

Protein (g) 8.1 Riboflavin (mg) .09 Magnesium (mg) 84

Fat (g) 3.3 Niacin (mg) 2.3 Iron (mg 3.2

Carbohydrates (grams) 69.6 Vitamin C (mg) 0 Manganese (mg) .47

Dietary Fiber (g) 5.6 Vitamin E (mg) 3.8 Zinc (mg) 1.42

Vitamin A (μg) 7 Cholesterol (mg) 0 Copper (mg) .35

Carotene (μg) 1.3 Potassium (mg) 249 Phosphorus (mg) 196

Retinol equivalents (μg) 12.1 Sodium (mg) 2.3 Selenium (μg) 2.49

maize mill machine

maize mill machine

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Item Detail Item Detail
Chinese name YUMI fen The main nutrients Lecithin, linoleic acid, grain alcohol, vitamins
English name Maize flour The main edible effect Lower blood pressure, blood fat, anti-atherosclerosis, beauty beauty, anti-aging
Other name Maize grits flour people suitable Most people are edible
Main material Maize   Side effects Corn bogey and snail with food, otherwise it will be poisoned; try to avoid eating with oysters, otherwise it will hinder the absorption of zinc
contain preservatives No

maize is the world recognized “gold crop”, the fat, phosphorus, vitamin B2 content of the first cereal. maize oil contains linoleic acid and vitamin E, can reduce the level of cholesterol in the human body, thereby reducing the incidence of atherosclerosis.

maize flour food

maize flour food

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  • eat coarse grains beneficial to health, but according to the human body needs the appropriate nutritional structure with food.
  • maize flour and grains can be made with corn cakes, tortillas, corn bread and so on. You can also make maize flour dumplings, buns, pies, etc. In addition, you can do 100 micrograms in food rich in selenium.
  • sweet corn: a common, super sweet and strengthen three varieties, its protein, lysine, vitamin content is also higher. Its ears can be cooked or canned, spikelets can be made of corn shoots food.
  • Waxy corn: The starch contained in it is easily digested and absorbed. When it is ground into powder, it can make a variety of sticky groceries. The brewing of rice wine has a unique taste.
maize meal food

maize grits maize meal maize flour

Delicious recipe

Maize noodles head nest

1, maize flour, a little glutinous rice, add sugar or salt according to taste. Conditional, add some milk, the amount of cooked local egg yolk.

2, pour with boiling water while stirring with chopsticks, direct hot noodles do, surface to dry a little, knead into a nest Wotou shape.

3, steamer boil the water first, then put the head, the fire can be steamed for ten minutes.

4, cornmeal is not sticky, so need to add some glutinous rice noodles or directly with waxy cornmeal production.

5, do the first hand when pouring water, this face will not stick in the hands, wotou can do the beautiful point.

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China Hongdefa maize mill machine can produce the super white and fine maize flour with high quality.

More details contact with us to ask :


Cel/WhatsApp/Wechat: +86 138 3346 1840

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trade fair in Dubai

maize wheat flour mill trade fair in Dubai UAE

Our team already in Dubai to attend the trade fair for our maize mill and wheat flour mill machine. Anyone who are in Dubai , can come to meet with our team to discuss more details for the maize wheat milling machine.

Here is the detail for the Trade fair:

Trade Fair name: CHINA ( UAE ) TRADE FAIR

Address: Dubai World Trade Centre Arena Exhibition hall, P.O.Box 9292 Dubai UAE

Booth number: SAE104

Cel/WhatsApp/Wechat: +86 138 3346 1840
Time: Dec.10,2017 to Dec.12, 2017 from 10am to 18pm every day.

Hope to see you in Dubai.

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30t maize mill

30T maize mill send to Nigeria

Category : maize mill , NEWS

30TPD maize #flourmill do container loading and send to Nigeria this week.  This 30t #maizemill is very popular in Africa. Our engineer will do the installation soon when the machine arrived. More details visit Or call me whatsapp me directly on +86 138 3346 1840

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maize grits and flour

maize flour mill machine running in Malawi

We have the running maize mill in Malawi, here are some photos of the final products: maize grits and maize flour. The maize grits can do snack food and be the material for beer, the maize flour for human consumption.  More details please visit #maizemillMalawi #maizegrits #maizeflour #maizeflourmill

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Cleaning of wheat flour milling machine

Cleaning of wheat flour milling machine

A. Wheat cleaning

  1. The purpose of wheat cleaning, due to the current technical constraints, wheat growth, harvest, storage, transportation and other processes will have impurities mixed. In the growing season, the wheat which is germinated and moldy because of too much rain and the wheat which is attacked by insects and diseases is the impurity in wheat, and the mixing of these wheat will affect the quality and odor of wheat flour.Therefore, in the milling wheat must be cleaned before, all kinds of impurities in wheat completely clean, so as to ensure the quality of flour, to meet the needs of the food industry and people’s lives, to ensure people’s health, and achieve the purpose of safe production.
  1. Classification of impurities impurities in the wheat can be classified according to the chemical composition and physical properties.

(1) According to the chemical composition

①The inorganic impurities

inorganic impurities mixed with clay and sand, refers to the brick, metal and other inorganic substances in wheat.

②The organic impurities

organic impurities is mixed with wheat roots, stems, leaves, grass seed, shell, grain and edible dissimilar value buds, spots, metamorphic and other organic substances of wheat.

(2)It can be divided into three categories according to physical property and particle size of impurity.

①large impurities  Refers to the impurity retained in Diameter of 4.5 mm
sieve screen surface.

②Side by side impurities  Refers to the impurities through the diameter of 4.5 mm sieve screen surface, retained in the diameter of 1.5 to 2.0 mm sieve screen surface impurities.

③Small impurities  Refer to pass through the diameter of 1.5 ~ 2.0 mm sieve screen surface impurities.

(3)According to the specific gravity impurityies can be divided into two categories:

①Heavy impurities  Refers to the wheat specific gravity is bigger than the impurities specific gravity.

②Light impurities Refers to wheat specific gravity is smaller than the impurities specific gravity.

3.Common methods of wheat cleaning

(1)wind selection method

The method of cleaning the air dynamics properties of wheat and impurities is called wind selection method.The aerodynamic properties are generally expressed as suspended velocities.wind selection method needs participation of air media.Commonly used air – selection equipment including vertical air duct and suction separator.

(2)Screening method

The method of cleaning with different size of wheat and impurity is called screening method.Grain size is generally based on the thickness and width of wheat and impurities.The screening method needs to be equipped with a suitable screen for the movement of the sieve, and the relative motion of the sieve and the wheat is used to stratify the wheat.Small size and heavy flour would be pass through the sieve.

The commonly used screening equipment has vibrating screen, rotary flat sieve and pre-cleaning screen.

(3) Using different grivatity of wheat and impurity to separate them.It is called gravity separation method. The gravity separation method needs the participation of the medium, and the medium can be air and water. The use of air as a medium is called dry gravity separation; the use of water as a medium is called wet gravity separation. The proportion of dry separation equipment commonly used gravity destoner, gravity separation, gravity separation equipment commonly used in wet stone wheat washing machine etc..

(4) selection method using impurities and wheat geometry and different length of cleaning method called selection method. It is necessary to use the inclined plane and the spiral surface to separate the wheat and the spherical impurity by the different geometric shapes. The common buckwheat seed throwing vehicles and other equipment. The use of different lengths for cleaning requires a rotating surface with a pocket. The short grain embedded bag holes are taken away, and the long grains remain outside the bag holes and are not taken away, so as to achieve the purpose of separation. Commonly used equipment has drum selection machine, disc selection machine, disc roller selection machine, etc.

(5) impact method by the impurity and wheat of different intensity cleaning method called impact method. Germination, moldy, diseases and insect pests of wheat, wheat and soil surface adhesion of dust, the adhesion strength is lower than that of wheat, the impact of the high-speed rotating component, broken off, the use of suitable mesh separating it, so as to achieve the purpose of cleaning. The impact of equipment commonly used are beating machine, impact machine, wheat brush machine etc..

  • magnetic separation method using wheat and impurity ferromagnetic different cleaning method called magnetic separation method. Wheat is a non-magnetic material, in the magnetic field is not magnetized, thus cannot be absorbed by the magnets; and some metal impurities (such as iron nails, nuts, etc.) is a magnetic material in a magnetic field will be magnetized by the magnet adsorption, which is separated from wheat. Permanent magnetic drum, magnetic steel and permanent magnetic box are commonly used in magnetic separation.
  • Grinding method;

To clean up wheat surface dust or grind wheat straw by the use of rotating rough surfaces (such as sand grain) is known as the grinding method. It is widely used for peeling and milling. Through the grinding of the surface of a few sand rolls can partially separate the wheat flour, which can shorten the powder path and make it easier to pulverize. The commonly used equipment is like peeling machine etc.

In addition to the above methods, there are other methods,such as the one according to the color of the photoelectric sorting method, the equipment is color selection machine. The current application is not yet widespread as the equipment is very expensive.

B. wheat moisture regulation

The moisture regulation of wheat, is to add the water and give it a certain time for moisture, so that to re-adjust the moisture of wheat and improve its physical, biochemical and milling process performance, in order to obtain better milling process effect.

  1. Physical and biochemical changes after adding water, the corresponding physical and biochemical changes occur:
  • the moisture content of wheatis more,the grain has a similar moisture content and similar water distribution by a certain
  • The first layer of water swelling, aleurone layer and endosperm followed by water swelling. Due to the three are with different orders in water swelling,so, there is a slight displacement in the radial direction of the wheat grain , then the combination between the three Force is weakened. This is favorable in separation of the cortex and the endosperm,and the powder can scrap from the cortex down easily.

(3)Cortical after absorb the water, toughness increased ,

brittleness reduced, increasing its ability to resist mechanical damage. Therefore, in the grinding process this facilitate the preservation of bran slices and clean the bran film on the endosperm, to ensure the quality of flour and improve the extraction rate of flour. In addition, the integrity of the bran is also conducive to the sifting and bran brushing.

(4)the intensity of the endosperm is reduced. The starch and protein contained in the endosperm are crossed together. Protein water absorption capacity (large water absorption), slow water absorption; starch granules weak water absorption (small water absorption), fast water absorption. Because of the difference between the speed and ability of the two, the expansion of the different and the degree of difference, resulting in starch and protein particles displacement, so that the endosperm structure loose, reduced strength, easy to ground into powder, is conducive to reducing power consumption.

(5) The yield of wet gluten increases with the increase of wheat moisture, but the quality of wet gluten is weakened.

(6) proteolytic enzyme activity, free amino acid content, saccharification activity, sucrose and a variety of reducing sugar content has changed. But little effect on the milling process.

From the above changes can be seen, wheat moisture regulation, the milling process performance improved, can increase the rate of flour, improve the quality of finished flour, and reduce power consumption.

  1. The corresponding process effect of wheat by water regulation, should be the corresponding process effects are as follows:

(1) so that the grinding of wheat with the appropriate water to meet the requirements of the milling process to ensure the relatively stable process of milling, easy operation and management. This is very important to improve production efficiency, flour yield and product quality. Requiring moisture uniformity within 0.2%.

(2) to ensure that flour moisture in line with national standards. Wheat dryness will cause the flour moisture is too low, so that the powder plant suffered losses; the other hand, wheat overheating will cause flour moisture is too high, not only will affect the interests of consumers, will also affect the flour storage management.

(3) the wheat flour was suitable for milling. The wheat after moisture adjustment, cortex toughness increase, endosperm internal structure is loose, decreased the binding force between the cortex and the aleurone layer and endosperm, is conducive to the improvement of milling performance. However, the high moisture content of wheat will decrease the fluidity of work in process, cause the blockage of sieve and flow, and affect the normal production of flour milling. Therefore, considering the improvement of flour milling performance, there should be a suitable water content for wheat milling.

After adding water, the wheat must be mixed quickly, and the water will begin to penetrate into the water through a certain mechanical action, so that the wheat grain has certain water holding capacity. The water regulating equipment for wheat generally consists of two parts: the water adding device and the water feeding equipment. The wheat moisture regulation equipment generally has the cup water machine, the powerful water machine and the water mixer. At the same time, wheat after water, water from outside to inside infiltration requires a certain period of time, usually 16 to 24 hours, where wheat tempering time required by certain storage warehouse to ensure, called the tempering bin.    

C. wheat cleaning process

  1. the development of wheat cleaning process based on

(1) grinding wheat quality standard net

①The buckwheat dust impurity not more than 0.02%, grain impurity does not exceed 0.5% (shelling of dissimilar grain at the present stage not included), should not contain metal impurities.

② the ash content of wheat should not be less than 0.06% after cleaning.

③The moisture content of the finished flour should be in line with the national standard.

(2) The quality of wheat

Wheat varieties and quality is not immutable and frozen, therefore, the designing of the cleaning section flow should take into account factors like the number of impurities in wheat,proportion of hard wheat and soft wheat, and the content of water, etc.It’s better to adopt good cleaning equipment and water conditioning equipment. In actual production, for wheat with little impurity and high moisture, can adjust the shunting device, not have to pass through every equipment.

Considering the wheat producing areas of China, wheat growing in south of China area normally have more buckwheat seeds and mud, less sand and high moisture. Usually not considering wheat washer, considering enhance threshing wheat, removing buckwheat and destone in dry way. Wheat growing in north of China normally contain more sand and marl, less buckwheat seeds and low moisture. To clean up this kind of wheat, should strengthen the suction, destone and wheat washing process, generally not consider buckwheat removing equipment. Wheat growing in Spring area have high moisture, more sand and wild grass seeds. To process this kind of wheat, should strengthen the screening, selection and destone process; low temperatures in winter, wheat should have procedure of preheating and moisture adjusting.
Wheat infected with smut, ergot and scab has a great influence on human health. Therefore, we must pay high attention to the cleaning. The infection of scab and smut of wheat, wheat should be strengthened, broken by a serious pest and weaken the wheat, and strengthen the screening and winnowing, in order to achieve effective cleaning. When wheat contains ergot, it can be cleaned effectively by gravity classifier.

Insect pests of wheat should be killed by the impact machine, and strengthen the screening and suction, remove insects and insects fragments. The grain length of wheat, such as wire worm disease, is shorter than that of normal wheat grain, but its width is similar. It is difficult to remove by screening, and it is more effective to remove with grain separator.
In China’s varieties kinds of wheat, soft wheat more than hard wheat, in the processing of hard wheat,  need to add more water and moisture wheat time.

(3) factory size and type of milling flours

Under normal circumstances, the factory scale larger, the production of high precision flour higher, the relative clean-up process to be better. The small-scale processing factory have low  precision of flour requirements , Suffer the investment conditions and plant space constraints limit, the relative clean-up process is simple, in this case, you can choose a compact, with a variety of functions and better combination of cleaning equipment , To ensure that the basic clean-up process and the necessary clean-up road.

2. Requirements for establishing wheat cleaning process

(1)Each process is complete, the number of cleaning equipment is appropriate, the process sequence is reasonable.

  • In accordance with the “first easy after difficult, first inorganic after organic” principle to arrange the process sequence
  • to the largeharm and much content impurity, such as sand, buckwheat seeds, wheat scab etc. should strengthen cleaning.
  • The process should be flexible in order to adapt to the change of impuritiesin raw materials
  • There should be perfect water regulation facilities to ensure the moisture content of the incoming wheat to meet the process requirements.
  • There should be perfect wheat processing facilities, so that the quality index of wheat into the mill can basically meet the quality requirements ofthe finished flour.
  • Serial, standardized, universal and efficient advanced cleaning equipment should be used as much as possible.
  • In order to ensure environmental sanitation and improve the efficiency of impurity removal,thedesign ofair dust removal system should be reasonable

For the wheat cleaning information, can discuss with us by Email or check more details on You also can call or whatsapp : +86 138 3346 1840.


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20T/24h maize mill running in Malawi

50T/24h maize mill running in Malawi , it can produce maize flour, maize grits and maize bran. The final products can be for human consumption, for beer material and the bran can be the animal feed. for more details. 

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Knowledge about flour


About French Flour What do they mean T45 / T55 / T65 ?

Flour is the most commonly used raw materials for bakery. Cake, bread, biscuits all need to use flour, different flour play different roles in the variety of baking food , but generally are from the “skeleton” role. Do baking, you’d better understand these knowledge about flour. 

The type of flour: according to the content of protein , we usually divide the flour into three categories:

1.High gluten flour (strong gluten flour, high protein flour or bread flour), protein content is 12% to 15%, wet gluten weight> 35%. High-gluten flour suitable is for making bread, from pastry pasta, bubble and pine crisps and so on.

Low gluten flour (weak gluten flour, low protein flour or biscuit flour), protein content is 7% to 9%. Wet surface weight <25%. Low gluten flour is suitable for making cakes, biscuits, mixed cakes and other pastries.

Middle gluten flour (generic flour,middle protein flour) is a kind of flour which is between the high gluten flour and low gluten flour. Protein content is 9% to 11%, wet gluten weight between 25% and 35%. Medium gluten flour suitable for fruit cake, can also be used to make bread. 


Besides the special flour, premixed flour and whole wheat flour get more and more popular by bakery enterprises and get the application.

1、Special flour: Flour suitable for the production of special food, which is specially prepared by using flour as raw material.

2、Premixed flour: Flour premixed by the flour, sugar,oil powder, milk powder, improver, emulsifier, salt, etc according to the formula of bakery product. The sponge cake premixed flour, cookie premixed flour and muffin premixed flour sale in the market are this kind of flour.

3、 Whole wheat flour: Flour milled from the whole grain wheat including germ, most bran and endosperm. Bran and germ is rich in protein, cellulose, vitamins and minerals, with high nutritional value.

France, the largest agricultural producer in Europe, has its own system of flour. All kinds of flour are so dazzling. Today to introduce the most normal flour – wheat flour.

 Flours produced by wheat milling have different characteristics. But the main ingredient is nothing more than starch and protein.

The French classification of wheat flour, based on the ash content of wheat flour, is roughly divided into 6 categories.


* Ash – refers to the mineral composition included in wheat bran . In simple terms, it can also be understood as impurities in bran.

According to the ash content, with the size of the figure, to limit the form of flour.

For example (T45 / T55 / T65 / T80 / T110 / T150)

The smaller the number after T, the higher the degree of refinement of the flour, the more white the color of the flour.

The larger the number after T, the lower the degree of refinement of the flour, and relatively the darker of flour.

Ono Chih Kwan said French flour is very personal, compared to Japanese flour the operation is more difficult, the French flour tendons is higher than the Japanese flour ,is more difficult to knead, different seasons, different batches of French flour , Even with the same section of flour, flour characteristics will be greatly changed. 

Champion baker Wu Baochun said with the French T55, T65 flour roasted bread, thick skin, taste more hard ,wheat incense is also more rich.

The above two masters have mentioned the French flour, such as T65, T55 like the powder, why these powder so classification ? 

In general, the flour classification is according to the protein content but the classification of wheat flour in French is decided by the proportion of ash content, such as T45, that is about 0.45% of the fly ash content. The higher  the ash content, the darker the color of flour, mineral content more. The ash is minerals contained in wheat, this also determines the richness of wheat flavor, ash ratio is one of the classification method in French wheat, which is on base of production process of French wheat flour, it is wheat grinding ratio. 


The ash content less than 50%, and the grinding ratio of wheat grain is 60 ~ 70%

We can make desserts, toast, and brio and other heavy cream bread with T45,

When we using T45 to make the Brioche, the water needs to be reduced compared with the Japanese wheat flour.

Because of the powder of T45, in the making of bread, it will retain the aroma of the wheat, not to be taken away by the cream. 


The content of ash is 0.50%~0.60%, and the grinding ratio of wheat grain is 75%~78%.

We can make baguette and Croissant with T55..

When we use T55 to makes bread with natural yeast after a long time fermentation. The skin has a small blisters in the skin, and the inner texture is like a mochi, the color is darker than French bread, and the skin is thicker.


The content of ash is 0.62~0.75%, and the grinding ratio of wheat grain is 78%~82%

It can be used to make French bread.

T65 made French baguette, crisp skin, not using natural yeast for a long time fermentation, skin bubble less,

Compared with T55, the color yellow, thick skinned and crisp

As the number increases, the ratio of ash to wheat grains increases

T80 (half stick powder with liquid yeast)

T110 (large French bread) quasi whole grain powder

T150 (whole wheat bread) whole grain powder

The above is about the introduction of French T flour  

Shijiazhuang Hongdefa Machinery do the wheat flour mill machine which process raw wheat to wheat flour with high quality.

If anyone who need wheat flour mill machine, contact with us or visit for more details.