... , YELLOW PAINT, ISO QUALIFIED, HTHIRED PARTY INSPECTED, HIGH QUALITY, PROMOTE DELIVERY For forged steel flanges, we supply ... per all foreign standards like ASME, ANSI, MSS, API, AWWA, EN, DIN, BS, NFE, JIS, JPI, ... system. The materials of the flange contain carbon steel, alloy steel, stainless steel and high alloy steel. The ... or pipeline engineering per ASME and API codes. HIGH QUALITY FLANGE