... SGS, BV, etc. JIS G3454 Seamless Steel Pipe For Oil 1.Specification Type Seamless PipePipe Size1/2"— ... ,STS42,STPT49,STS49Applicationpetroleum, construction ,shipbuilding,smelting, aviation, power, foodstuff, papermaking, chemical, medical equipment, boiler heat ... requestCertificateISO9001,SGS,BV, etcCapacity80000tons/yearAdvantages1.Reasonable price for good quality2.Abundant stock and prompt delivery3 ...