material :By use of F304/1.4301, F304L/1.4307, F316/1.4401, F316L/1.4404, F321/1.4541 and F316Ti/1.4571, etc.,

 produces standard flanges (JIS, ANSI, DIN, BS, EN, GB), pipe fittings, related hardware, and non-standard flanges. they  are widely applied to many fields such as boiler pressure vessel, petrochemical, shipbuilding, food, pharmaceutical, etc