... XXS Standard:ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS C S SCH80 seamless pipe ProductionSteel pipeTypeSeamless and ERWSize1/2" ... XXSStandardsANSI, ASTM,API,DIN, JIS, BS, ISO, GB, SH, AND HG etc MaterialCarbon Steel: ASTM A53/A106,ASTM A179,API 5L ... advanced paymentCertificateAPI, CCS,and ISO9001:2000Productivity200000 ton per yearKeywords:C S SCH80 seamless pipe,steel pipe,carbon steel seamless pipe ...