Hiwa Fittings (www.hiwaflow.com) is a professional pipe fitting production dept. of Tianjin Huihua Valve Industry Co., Ltd. (www.hiwa.cn). We are CE, WRAS, SGS and ISO9001 approved. Our main product line is as follows: 1) Ductile iron pipe fittings: Universal couplings Universal flange adaptors Restrained flange adaptors & couplings for PE/PVC pipes Dedicated flange adaptors and couplings for DI/STEEL pipes Quick flange adaptors for PVC/PE pipes Saddle clamps Repair clamps Dismantling joints BS EN545 / ISO2531 ductile iron pipes and pipe fittings Loose flange DI pipe fittings Ductile iron fittings for UPVC pipes Rubber expansion joints Duckbill check valves Huihua is always enlarging. In 2002, we established Zibo Huihua Valve Industry Co. in Zibo New & High-Tech Industrial Park, Shandong Province, China, which runs perfectly in all aspects. In 2004, 33,350 square meters' new factory was built in Xiaozhan Developing District of Southern Tianjin City. 66,666.67 square meters' new factory is under construction in Binzhou City, Shandong Province, which shows that Huihua is always developing. Your requirements are Hiwa's responsibility! Huihua will always welcome you to visit us to realize our mutual benefits.
