... Standard:ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS SCH 120 carbon steel seamless pip ProductionSteel pipeTypeSeamless and ERWSize1/2" To ... advanced paymentCertificateAPI, CCS,and ISO9001:2000Productivity200000 ton per yearKeywords: SCH 120 seamless pipe,steel pipe,carbon steel seamless pipe SCH ...