Shanghai Shanghui Valve Co.Ltd, established in 2002, covers an area of 33, 300 square kilometers and has been engaged in designing, manufacturing and distributing customized kinds of valves, such as globe valve, check valve, gate valve, butterfly valve, control valve, diaphragm valve, wafer check valve, safety valve, turbine valve, pressure-reducing valve, solenoid valve, and the like. Our valves, characterized by fine quality and unique appearance, have been ISO9001 certified and meet standards of countries worldwide, such as GB/T9124-1996(China standard)(Technical requirements of steel tube flange), ASME B16.5-2003, ASME B16.34-2004(for pressure—temperature fixed value of steel-made valve)(American standard), and DIN 2401—1977(German standard). Shanghui valves are made of WCA, WCB, and WCC materials, according to GB/T ***** take fixed ball valve for example, our valves range from 20mm to 1500mm in DN (NPS), and 1.6kpa to 6.0kpa in PN. The length (L) varies from 178mm to 965mm by flange connection and 216mm to 965mm by butt welding. Our R&S department will customize the valves in reference to specific parameter, which varies a lot as to different valves. You are welcome to visit our manufactory in person and to ask for illustrated catalogue. We sincerely like to establish long-term business relationship with you striving for a win-win future!