1.Leading Professional Manufacturer 2.Standard: ASME,ANSI,BS,DIN,JIS 3.Quality control: ISO 4.Higher quality & Lower price 1.ANSI FLANGESStandard: ANSI B16.5ANSI B16.47MSS SP44ANSI B16.36 ANSI B16.48Types: Welding Neck Flanges, Slip on Flanges, Threaded Flanges, Socket Welding Flanges, Blind Flanges, Orifice Flanges, Lap Joint Flanges, Ring Joint Flanges, Long Welding Neck Flanges, Figure 8 ...