... mainly export to European Market ,north America market ,Singapore market ,Mid-east market ,southeast Asia market ,Japan ... MSS, SP-44, AWWA, API, DIN, JIS, HG, GB, JG, BS.8)All the flanges are according to ... from 7 standards, i.e. ANSI ,API ,MSS ,AWWA , DIN ,JIS ,BS as well as GB , ... ISO9001-2000 . We have exported flanges to north America market ,Europe market , Singapore market,Mid-east market , ...