... :800PSI The main products:1.150LBS pipe fitting: elbow 45,tee,round cap,hexagon nipple,union,bushing,barrel nipple,close nipple ... , typeD, typeE, typeF, typeDC, typeDP4.Malleable iron pipe fittings such as elbow,tee,union,bushing,socket and so on5.Develop and design ... to come to our factory, establish the cooperative relation of equal mutual benefit .