... treatment, machining and packaging, certifications of TUV PED, AD2000-Wo, ISO 9001 and Manufacturing License for Special Equipment of the People’s ... /1.4541 and F316Ti/1.4571, etc., the company produces standard flanges (JIS, ANSI, DIN, BS, EN, GB), pipe fittings, related ... hardware, and non-standard flanges. Our products are widely applied to many fields such ...