Our company qingdao judberd machinery co ltd is a professional manufacturer for ductile iron pipe fitting,pipe joint(dismantling joint,coupling,flange adaptor,quick flange adaptor,saddle,restrained flange adaptor,reducer flange,repair clamp etc) and ductile iron valves(gate valve,check valve,air release valve etc),our products are manufactured using advanced equipment in a outstanding quality level using the finest materials available. Designed by a first class team of ductile iron pipe fittings specialists with over 20 years experience in the water industry.our company are certified to ISO9001-2000 and are company owned and operated.