... of the People’s Republic of China, self-managed import and export right, and foreign trade professionals. At present, the company has an ... , ANSI, DIN, BS, EN, GB), pipe fittings, related hardware, and non-standard flanges. Our products are widely applied to many ... as boiler pressure vessel, petrochemical, shipbuilding, food, pharmaceutical, etc., and are very popular in Japan, Korea, Singapore, U.S.A ...