various flanges and relevant pipe fittings. Such as elbow, tees, crosses, reducer, pipe caps. All of them are made according to ASME/ANSI, JIS, BS and DIN, manufacturing size is from 1/2Ħħ to 78Ħħ and pressure covers PN15-PN2000. The material of the products includes A105, Q235B, 12CrlMov, 16MnR, 321,304,304L, 316, 316L.