... ISO 9001 and Manufacturing License for Special Equipment of the People’s Republic of China, self-managed import and export right, and foreign trade ... , DIN, BS, EN, GB), pipe fittings, related hardware, and non-standard flanges. Our products are widely applied to many ... boiler pressure vessel, petrochemical, shipbuilding, food, pharmaceutical, etc., and are very popular in Japan, Korea, Singapore, U.S. ...