... Flange Type:Slip-On, Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and Plate etc.Pressure Ratings:Class 150, 300, 600, 900 ... . Specializes in producing Slip-On, Weld Neck, Socket Weld, Threaded, Lap Joint and Plate Flanges to ANSI, BS, DIN, JIS, UNI etc ... .The factory has possessed 5-ton Splint Hammer, 2-meter ring rolling machine,1-ton Air Hammer, Heat-treatment equipment, sheet ...