... Certificate:ISO9001,CEBrief description about our company: Zhejiang LvFeng Valve Co.,Ltd is a large-scale manufacturer,specializing in ... and accessories.The production contains brass manifold,ball valve,filter,check valve,radiator valve,brass fitting,overlap-welded and butt-welded PE ... service to demestic and foreign partners are always LvFeng's target.Any question is appreciated.We will be ready ...