VORTEX Qingdao Co., Ltd., as a big and professional manufactural factory based in Qingdao city Of China, we have three foundries, and our main products are ductile casting iron products water-supplying pipeline field, typical products as below. Our typical products are as below: Ductile iron pipe and fitting (Size from DN80 to DN2000), **** Ductile iron pipe K9/K8/K7/ C class, Socket bend, flanged bend, socket and flanged tee, flanged socket, flange taper, socket taper, blank flange, welding flange, bellmouth. **** Welding flanged pipe, we have Automatic welding equipment to produce welding flanged pipes and one of best stable welding quality in China. **** Pipe joint, including Flanged adapters, Couplings, Dismantling joints, Clamp, and stainless steel repair Clamp, all like Viking Johnson design joint with EPDM gasket rubber rings. **** PVC pipe fittings from DN50----DN630. **** Loose flange fittings from DN80----DN600. ****Gate valve, Check valve, Butterfly valve, Air valve, Angel valve, Fire hydrant, Extension spindle, All of them are according to ISO2531/EN545/EN598/AWWA C110/C153. (PN10/PN16/PN25/PN40) Furthermore, we can supply pipe fittings with Rilsan Nylon power coating(black color) and epoxy resin AKZOL powder coating, so far we are the few supplier of Rilsan Nylon coated fittings.