r >Shanghai Huanyao Valve Co., Ltd. is located in Fengjing Industrial Zone, an ancient town in Jiangnan Water Town, Jinshan District, Shanghai. It is a Sino-German joint venture and a valve company integrating casting, production and sales. Huanyao is engaged in manufacturing and selling fire protection valves and water treatment equipment. It is a modern special product supplier of fluid technology. The main valve professional products include: signal gate valve, elastic sealing gate valve, signal butterfly valve, pressure foam proportioning mixing device, water mist nozzle, safety valve, hydraulic control valve, trap, filter, check valve, pressure reducing valve, sewage valve , diaphragm valves, plunger valves, needle valves, flame arresters, exhaust valves, water flow indicators and a series of fire protection products, and other types of valve products. And has obtained a number of patent certificates, and can also be designed and manufactured in accordance with, D,, GB and other standards.
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r >Shanghai Huanyao Valve Co., Ltd. is located in Fengjing Industrial Zone, an ancient town in Jiangnan Water Town, Jinshan District, Shanghai. It is a Sino-German joint venture and a valve company integrating casting, production and sales. Huanyao is engaged in manufacturing and selling fire protection valves and water treatment equipment. It is a modern special product supplier of fluid technology. The main valve professional products include: signal gate valve, elastic sealing gate valve, signal butterfly valve, pressure foam proportioning mixing device, water mist nozzle, safety valve, hydraulic control valve, trap, filter, check valve, pressure reducing valve, sewage valve , diaphragm valves, plunger valves, needle valves, flame arresters, exhaust valves, water flow indicators and a series of fire protection products, and other types of valve products. And has obtained a number of patent certificates, and can also be designed and manufactured in accordance with, D,, GB and other standards. 
