Hiwa Fittings(www.hiwaflow.com), the professional pipe fittings manufacturer, which belong to Huihua Valve Co Ltd---The CE,WRAS and SGS ISO9001 Approved Valve and Fittings Manufacturers in China. Our main line as the following:
1.Rubber Expansion Joints
Single Sphere Rubber Expansion Joint, Twin Sphere Rubber Expansion Joint, , spool Type Rubber Expansion Joint, Heavy Duty Rubber Expansion Joint with DIN,BS,EN,JIS,ANSI Flanged Drilling and Twin Sphere Union Rubber Expansion Joint t with BSP or NPT Threaded.
2.Universal Flange Adaptor, Universal Coupling, Gibault Joint, Stepped Coupling,...