Henan Tong Zheng Industry Co., Ltd is a private joint-stock enterprise, which locate in Jiulong Industry Zone, Zhongmu County, Zhengzhou, Henan, China. Where is a junction of Beijing-Zhuhai and Longhai railway, close to Lianhuo and Beijing-Zhuhai highway, traffic condition is advantageous. Tongzheng was founded in 2007, invested CNY 98 million, cover an area more than 100 mu (66667 square meter) and specializes in drilling and oil production equipment and flowmeter.Our products are sold to major oilfields at home and some abroad. We are first network maker unit of Sinopec and CNPC and devoted to serving Sinopec and CNPC. We have got the manufacture license for special equipment production from General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China and passed ISO9001 quality system certification. Tong Zheng also successfully issued by American Petroleum Institute API (6A, 16A, 16C). We are capable of designing and producing, have kinds of CNC machining equipment, physical and chemical laboratory, non-destructive testing laboratory, gas seal and strength test means, heat treatment, etc. There are more than 200 employees, 20 engineers, and some technicians work in here to serve you. Main products include BOP (Blowout Preventer), Choke and Kill manifold, Wellhead assembly and Christmas tree, Drilling fluid circulation manifold, and other drilling equipment and accessories.We are engaged in the import and export business, petrochemical engineering equipment sales and installation, pipe line installation, anti-corrosion and insulation installation, chemical products. We have the production research and develop, manufacture, test system. That is why we provide you high quality products with advanced technology and good service.We believe "dedicating, pragmatic, pioneering and innovative".
