Jinzhou Xiaodong Valve Factory now known Jinzhou Xiaodong Valve Manufacturing Co., founded in 1974, is a professional production, research and development of various threaded locking ball valve, gate locked, PP-R locking ball valve; Flange Lock closed valve, threaded flange locking gate and series gate valve, globe valve, ball valve, check valve, automatic exhaust valve, threaded valve specifications: DN15 ~ DN100; flanged gate valve, globe valve, ball valves, check valves , cast iron butterfly, specifications DN15 ~ DN1000; efficient oil pump primer sprinkler professional production plant. Our products are 100% inspection pass rate of 100%. Professional design and development of locking valves: unique, style and more copper contact surface sealing, high temperature, corrosion, locking convenient and flexible, safe and reliable, is the control line, anti-move, ideal for theft occasions.