... Welding Neck, Blind, Socket Welding, Threaded Ring Type Joint FlangeKum Kang fittings Co. specializes in producing ... factory has possessed 5-ton Splint Hammer,2-meter ring rolling machine,1-ton Air Hammer,Heat ... drilling,marking,washing,final inspection,packing,delivery. Ring Type Joint FlangeSize: 1/2" ~ 64"(DN15 mm ~ ... 1600 mm)Type: Slip-On, Welding Neck, Blind, Socket Welding, ...