Italian butterfly doors (Shanghai) Co., Ltd., headquartered in Shanghai, collector valves research and development production, sales and technical services in one of the controlled entity, its products and services in the chemical, petrochemical, petroleum, paper, mining, electricity, gas, food, pharmaceutical, water and other areas of the market leader. Italian butterfly doors (Shanghai) Co., Ltd. The main products are: Ball, needle valves, globe valves, gate valves, check valves, butterfly valves, flame arresters, exhaust valve, mud valve, filter, discharge valves, diaphragm valves, safety valves, plug valves, piston valve, balance valve, control valve, steam traps, solenoid valves, breathing valves, pinch valves, drain valve, pneumatic valves, electric valves, pressure valves, medium p.. (more>>)