... NAMEPipe fittings ,flanges ,steel pipesPRODUCTSElbows,reducers,pipe tees,bends,pipe caps ,weldedn neck flanges ,slip on flanges ,blind flanges ,seamless steel pipes ,welded steel pipes ,square steel pipesMATERIALCarbon steel,stainless steel ... drawing by customers.CERTIFICATESISO-9001:2000,API5L,,CCSWe have biggest pipe fittings and steel pipes production equipment in china,all of prodcts are produced ...