... DIN JIS MSS 4.API,CE,ISO High Quality Stainless Steel SS316L API Pipe Fitting Coupling in Hot Sale Stainless ... Steel Pipe Coupling, Carbon Steel Pipe Coupling, Alloy Steel Pipe Coupling Any ... ,sch40.sch60,sch80,sch100,sch120,sch140,sch160CertificationISO 9001 certified. API. RAW material, Mill cert.Degree45D. 90D. 180DPackingWooden cases ...