Doing Group owns Henan Doing Oil Mechanical Equipment Co., Ltd., Henan Doing Oil Project Technology Company, Xinxiang Doing Renewable Energy Equipment Co., Ltd., and Xinxiang Leeyn Mechanical Equipment Co., Ltd.

Doing Group have been specialized in all kinds of oil equipment researching, designing, manufacturing, selling and installing.

Our products:
10-1000 T/D automatic complete set of edible oil seed (peanut, soybean, sunflower seeds, corn germ, cotton seeds, rice bran, palm) pressing, preparatory machine.
20-1000 T/D automatic complete set of rotor extraction machine and loop type extraction machine.
1-10 T/D complete set of small scale edible oil refining machine.
30-500 T/D automatic complete set of continuous physical refining machine.
5-1000 T/D animal fats and plant oils to make biodiesel machinery unit.
10 T/D waste tires to oil equipment
5-30 T/D waste tire oil refinery equipment

Doing Group is specialized in international market. All of our products are for export. We have 30 international sales, 5 senior process engineers, 7 senior mechanical engineers and around 100 experienced workers. Our machines have been exported to Italy, Macedonia, Turkey, Iran, Egypt, Mexico, Ecuador, Haiti, Congo, Uganda, Nigeria, India, Pakistan, Thailand, Malaysia, Bangladesh and other more than 20 countries and regions.

Our manufacturing factory covers 20,000 square meters, owning various modern machines, such as digital control cutting machine, automatic welder, large bending roll, P&C lab and X-ray flaw detection room.

The Doing Group, headquartered in Zhengzhou, is 30 minutes' drive from Zhengzhou airport and 20 minutes' drive from high-speed railway station. The transportation is convenient and we have special car to pick up you.

Doing Group welcomes your visit.

Company philosophy: Doing is better than thousands of ideas.

Company tenet: Your success is our best wishes.