... DIN, JIS, HG, GB, JG, BS.8)All the flanges are according to the ASTM, BS, DIN, JIS, EN, ... of 30 specifications derived from 7 standards, i.e. ANSI ,API ,MSS ,AWWA , DIN ,JIS ,BS as ... approved the audit of ISO9001-2000 . We have exported flanges to north America market ,Europe market , Singapore market,Mid ... to become a best partner in the field of flanges and forgings .If you have inquire list ,please ...