Jinerjan (Tianjin) Valve Co., Ltd. is a manufacturer which is specialized in researching, producing and exporting wafer butterfly valves, flange butterfly valves, electric butterfly valves, pneumatic butterfly valves and dual plate check valves. Through all staff"s efforts, our business has expanded rapidly in the past 18 years. We have set up foundry, machining and assembly workshops. Our butterfly valves is unique and novel, zero leakage and small torque. We can supply different materials ...