DOING Company has always paid special attention to the welding skills of its employees. Actually, every week, our factory hold a seminar to exchange manufacturing technology, stamping, welding, grinding, testing, etc. Today is a special day, because of our factory director Mr. Li personally training workers welding technology.

Henan Doing Factory Director personally training workers welding technology

Our Doing Factory director first talked about the welding theory, and then welding it himself, and finally the workers practiced themselves.

Henan Doing Company can supply various kinds of edible oil extraction machine for different customers

Henan Doing Company is a professional edible oil extraction machine manufacturer. We are try ourselves best to supply more perfect edible oil extraction machine for our customers. We have faith to manufacture higher quality and better looking edible oil extraction machine, welcome to visit our factory to learn more information about our edible oil extraction machine.