Henan Doing Mechanical Equipment Co.,ltd is specialized in researching and developing technology of Oil Extraction, Oil Refinery & Fractionation and Bio-diesel since 1967. Doing is also a professional leading company in contracting turnkey projects.
Doing focuses on researching & developing, designing, manufacturing, marketing and installing of all kinds of oil machinery. 

Our products:
1. 10-1000 t/d automatic complete equipments of edible oil seeds (like groundnut , soybean, sunflower seeds , corn germ , cotton seeds, rice bran , palm) pretreatment and pressing.
2. 20-1000 t/d automatic complete rotary-type and ring-form extraction equipments.
3. 1-10 t/d small scale sets of edible oil refining equipments.
4. 30-500 t/d automatic sets of continuous physical refining equipments.
5. 5-1000 t/d sets of equipments making bio-diesel from animal oil and vegetable oil.

We concentrate on globle market, products are 100% exported all over the world. With international sales team of 30 people, 5 Senior Process Engineers, 7 Mechanical Design Senior Engineers, about 100 manufacture workers, we are dedicated to build itself into a leading engineering and technology company. The products have been exported to more than 20 countries and regions, like Italy, Macedonia, Turkey, Iran, Egypt, Mexico, Exuador, Haiti, Congo, Uganda, Nigeria, India, Parkistan, Thailand, Malaysia, Bangladesh, etc.
Doing factory covers more than 20000 square meters, which has modern production capacity with digital controlcutting machine, automatic welder, large plate bending rolls, physical and chemical laboratory, X-ray flaw detection room and so on.

Doing Group Head Office is located in the capital of Henan Province, Zhengzhou City. It is about 30 minutes away from CGO airport, and 20 minutes away from east high-speed railway. Apart from the convenient position, it is also convenient for your visit for we have special car to pick-up visiting customers.
Company motto: Doing is better than thousands of ideas.
Company Tenet: Your success is our best wishes.