4th Floor,Building 18,Area A,Yingxie Garden,Zhengzhou City, Henan Province. China
Doing Group owns Henan Oil Mechanical Equipment Co., Ltd, Project Technology Company, Xinxiang Renewable Energy and Leeyn Co.,Ltd. Doing have been specialized in all kinds of oil equipment researching, designing, manufacturing, selling installing. Our ...
Waste Tire/Plastic Pyrolysis Machinery,Oil Refinery Machinery,Oil Extract Machinery,Oil Press Machinery,Biodiesel Machinery
