As one of leading professional manufacturers of gas valves, Zhongshan GDA Gas Valve Co., Ltd. specializes in the R&D, producing and marketing all kinds of gas valves and gas regulators which are mainly used in BBQ, gas stoves, camping stoves, and gas heaters. All of our products have approved certification of CSA,UL, CE & AGA and mainly exported to North America,Europe,Australia,New Zealand and so on. GDA has obtained ISO9001; 2000 certificate. Factory has more than 500 employees. The annual capacity has reached more than 10 million pieces of gas valves. GDA is devoted to manufacturing and developing gas valves with constant aim of "High Quality, Best Customer Service, and Good Faith".