... &K8 3.ling according to ISO4179 ductile iron pipe dn 600 Standard: JIS, AISI, ASTM, GB, DIN, ENPlace of Origin: TIANJIN ... , black,ectcertificate: ISO, BV, API, CSC,DNV,ectnormal length: 1000mm,3000mm,6000mmprice: factory priceservice: OEM/ODMtechnical: Seamless &weldedType: stainless steel pipeeamless ... shipment, Third Part Inspection is acceptable. ductile iron pipe dn 600