... :1/2" - 48" 2)service:OEM 3)certificate:ISO9001:2000,QS-9000 4)standard:DIN,ASME,BS,JIS,GB,etc slip ... )size:1/2" - 48"2)service:OEM3)certificate:ISO9001:2000,QS-90004)standard:DIN,ASME,JPI,ANSI,BS,etc5)Coatings:Resist ... "Class150#,300#,400#,600#,900#,1500#,2500# CertificateISO 9001:2000 , QS-2000StandardJIS, DIN, ASME, JPI, ANSI, BS, GB, ISO,EN,etcThicknessSCH20 ...