Our company, Tangshan Hongyuan Valve Industry Co., Ltd. Is one of the leading valve manufacturers in China. We are an ISO9001: 2000 certified company, engaged in this business since 1997. We handle only the best and finest quality at the most competitive prices, especially for butterfly valves, flanges and pipe fittings. As being a professional manufacturer and exporter with years of experience, w...
Main Products/Service: | pipe flange,blind flange,steel flange,forged flange,flange machine |