Threaded pipe flanges

We have complete testing instruments and stable, reliable quality of socket welding flanges, Lap Joint flange, carbon Forged Steel Discs, Butt weld caps. As one of the most professional Threaded pipe flanges manufacturers and suppliers in China, we're featured by quality products and customized service. Please rest assured to buy Threaded pipe flanges for sale here from our factory. For more dimensions and company information, contact us now.