Huaguang Valve Co., Ltd. (formerly Nan'an Yindu valve factory, established at the end of 1988) is located in Nan'an City, Quanzhou, the economic center area on the West Bank of the Taiwan Strait (the hometown of national hero Zheng Chenggong). Facing Taiwan across the sea, it is one of the three major plumbing valve production bases in China.

It is a high-tech enterprise integrating design, R & D, production, sales and service, It is a large company specializing in manufacturing valves. The company's leading products include soft seal gate valve, butterfly valve, hydraulic control valve, double eccentric hemispherical valve, filter, check valve series, fluorine lined ball valve, fluorine lined butterfly valve, fluorine lined stop valve series, brass valve series and fire valve series!

The company has more than 160 sets of CNC lathes, general lathes, vertical lathes, milling machines, boring machines and other equipment, specializing in the production of 24 series of valve products, with specifications from dn15-dn2600 and nearly 200 varieties.