Zhejiang Linglong Piping Systems Co., Ltd. specializes in the production of a variety of high-grade brass valves, brass fittings and multilayer pipes. Our products have nine series, including PP-R piping systems, electroplate aluminum plastic compound tube adapters, brass aluminum plastic compound tube adapters, water divider systems, heater-supply pipe systems, PE-X supply water systems, aluminum-plastic PP-R systems, valves systems and thread & solder copper alloy fittings.All of our products are made with the highest technical specifications, and incorporate the latest design technology. Our company has cooperated with some domestic scientific research institutes in various fields and successfully developed "LINGLONG" brands. We supply 2,000 kinds of products according to clients' samples. Our company has passed the evaluation of ISO9001 certification.Please feel free to contact us for further information.