Shanghai Kangquan Valve Co., Ltd.  
Shanghai Kangquan Valve Co., Ltd. is engaged in professional valve manufacturing. Our company has 2, 500 tons of valves output capacity annually, and we have a sound quality assurance system ...

Tang Shan Hong Yuan Valve Industry Co., LTD  
Located in Tang Shan, Hebei Province, China, is a professional valve manufacturer, supplier  and distributor. Our major products include wafer type butterfly valve, lug type butterfly valve , flanged butterfly ...