We are a professional manufacturer in high quality range of valves, ball valve is our specialty. We are also available for the ISO9001 certificate, we are absolutely capable of supplying you top quality valves as well as competitive good prices. Our range of products includes: one-piece, two-piece, three-piece ball valves, wafer check valves, gate valves, globe valves, swing check valves, strainers, precision-machined ball, flange etc.We have been in this field for more than 20 years. And established our factories in both Taiwan and China. We’ve always made great strides on up-grade quality and cost-down prices for keeping our competition in the international markets. Should you require from us further information or enquiry, please don’t be hesitate to contact us and we expect to hear from your shortly. Best regardsROGER YANGMANAGER LONG CHENG VALVES CO.,LTD