Henan Doinggroup Jiaozuo Yongle Oil Machinery Co., Ltd., located in Henan Province, is a main producer of oil equipment in our country and a unit exempt from quality examination. 
Our company has a research institution which develops new products with our experiment basis and an integrative joint-stock production company of oil and electromechanical engineering, production and installation. We continue to introduce foreign talents, renew products and take the leading position in this field. 
Our products have passed ISO9001 international quality system management cortication. Our company has got the title of "bank grade AAA enterprise". Our company covers 99000m2 and has fixed assets of RMB50 million. We have 480 staff members, of whom 6 senior engineers, 22 engineers and more than 70 installation workers with rich experience. We have had good cooperation with Beijing Science and Technology University, Sian Oil Science Research Institution, Zhengzhou Industry College and other authorized research agencies. We use CAD design system and our special use software to design works. We supply comprehensive and highly utilized vegetable oil plant with general design and also special designs, the first-class technology and service. We also can supply various levels of technology designs and services according to customer's requirements. We insist on the tenet of "quality first, customer superior", supplying customers with perfect technology consultation and high-quality after-sales services.