shanghai xingu pipefittings co***ny founded in 1991 in shanghai ,supply varieties of types of materials of which are:carbon steel,stainless steel and alloy steel,with products ranging from elbow,tee,reducer,tobend pipe, cap, stub end and series of forging and socket products for low, medium and high pressure,which according to GB,DIN,ASTM,ANSI,JS,BS and so on international standard.