Profile: Ningbo Jiekelong Valves Co., Ltd. specializes in manufacture of copper valve. Our product line includes copper gate valve, ball valve, stop valve, check valve, filter, float-operated valve, water nozzle, various copper piping, compressioned, flange and water meter series products. Our products are widely applied in various trades such as cold & hot water plumbing, solar energy, purified water and environmental protection. We are accerdited with ISO9001 certification.