steel reducer 1.Investment casting 2.Reasonable ... STANDARDS ANSI, ISO, JIS, DIN, BS, GB, SH, HG, QOST, ETC. 5. CE and certification: ISO9001:2000, ... S32760 STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.CE and certification:ISO9001:2000 , API , BV ... STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.CE and certification:ISO9001:2000 , API , BV ... Fittings for Off-Shore Applications steel reducer