Discover precision with our ANSI B16.5 Long Weld Neck Flange Supplier in China. Specializing in Carbon, Stainless, Alloy, and Duplex Steel, these flanges cover a size range from 1/2 to 56 inches with Class 150-2500 LB ratings. Accommodating SCH 5S to SCH 160/XXS, they are available in various face types, including FF (Flat Face), RF (Raised Face), and RTJ (Ring Type Joint). Trust our Chinese supplier for top-notch manufacturing and reliable ANSI B16.5 long weld neck flanges.