Aidexin Copper Co., Ltd., established in 1998, is a manufacturer of brass valves with ISO 9001 certified. Aidexin diverse product line supports a wide variety of plumbing, utility, HVAC, and process control applications. In addition to working as a manufacturer, the company serves master distributors, wholesalers, contractors, and OEM. We have improved marketing system with the strength of competitive quality especially in Northern China, products today include ball valve, check valve, filter etc.