Shanghai Biaoyi Valve Co., Ltd. is located in Shanghai Qingpu industrial zone , mainly engaged in butterfly valve, check valve, strainer, gate valve, globe valve, ball valve,hydraulic control valve, balance valve, pressure reducing valve, regulating valve,and diverse pipe fittings, which covers over 100 series and 2000 products. The valve body has cast iron, ductile iron, carbon steel, alloy steel, stainless steel, copper and other materials. We could also machining products according to your ...