... , JIS, HG, GB, JG, BS.8)All the flanges are according to the ASTM, BS, DIN, JIS, EN ... , axis , disk ,and unconventional parts, our forging flanges consist of 30 specifications derived from 7 standards, i ... the audit of ISO9001-2000 . We have exported flanges to north America market ,Europe market , Singapore market ... to become a best partner in the field of flanges and forgings .If you have inquire list , ...