... , DIN, BS,GB, SH, HG,QOST,ETC.CE and certification:ISO9001:2000 , API , BV , SGS, LOIYDApplications range: Petroleum, chemical, power, gas, metallurgy ... :Specialized NACE & HIC Fittings for Off-Shore Applications l FORGED PIPE FITTINGS Production Nameelbow ,street elbow,boss, tee, coupling ,half ... -Shore Applications Production FacilityCertificate: Package: steel flange for steel flange pipe joint