... Co.,Ltd are profesional manufacturer of high quality Nickel Alloy flanges, used in various industry like Chemical, Aerospace, Marine, Petrochemical ... 1/2" -24"Types: - Welding Neck (WN), Slip-on (SO), Blind (BL), Socket Weld (SW), Lap Joint, Threaded (TH), Orifice, Plate ... alloy GH600, GH3128, GH3030, GH2132, GH1140Our standard Flanges:- ANSI B16.5, B16.47- ASME B16.5, B16.47- JIS B2220- BS10, BS3293, ...