We, Tianjin Rongkun Pipe Fittings Co., Ltd. , are a professional manufacturer and worldwide supplier of pipe fittings made-in-China. All kinds of pipe fittings made from carbon steel, alloy steel and stainless steel etc., with good quality and pretty competitive price. Our range of Products: Product: Butt-weld pipe fittings: elbow, tee, cap, reducer, flange. Thread pipe fittings:plugs, coupling, bushing, nipples, union. Socket weld pipe fittings. Olet fittings:Weldolet, Socketolet, Threadolet, Elbolet, Latrolet. ASME flange: PL, SO, WN, IF, SW , TH, BL flange