As one of the best valves supplier, Jiangsu Ruiyi Petroleum Machinery Co., Ltd is a good choice to you. The API 6A Gate Valves is one of our main products, and we are in this line for about 8 years.
We company is one of the Net-workers of the material and equipments’ suppliers for CNPC (China National Petroleum Corporation ) and SINOPEC（China Petro-chemical Corporation）. We have passed and obtained ISO9001 certification; the API(American Petroleum Institute) 6A - 1150, 16C - 0154, 16A-0266 certificates and the emblem patent for using.
The main products includes API Wellhead and christmas tree, the Kill & Choke Manifold , the Valve Group etc. The accessories for the wellhead for Slab Gate Valves, FC Gate Valve, DEMCO Mud Gate Valves, the Plug Valves, the Ball Valves, the Check Valve, the Choke Valve, the Flanges, the Casing Head, the Tubing Head, the Casing & Tubing Hanger, the High Pressure Swivel joint, the Hammer Union, the Spacer Spool, the Drilling Spool etc.