... s requirements.standardsANSI ,ASTM, API ,DIN ,JIS ,BS ,ISO ,GB, SH, AND, SH ,etcmaterialCarbon Steel :ASTM A106/ A53 ... manufacture ship, paper, medical drug use power, metallurgy,, oil drilling, boilers and pressure vessel of medium and low ... etcSteel gradeQ195,Q195L,Q235 and so on PackingPlastic steel pipe cap ,plastic bag, steel strip bundledCertificateAPI, CCS, ISO9001:2000Delivery PortTian jin ...