We are factory founded in 2009. TongYang High-Tech Solar Energy Co.,Ltd is the leading manufacturer of Flat Plate Solar Water Heater Collector and related Systems in China. Our Factory With the manufacturing base of 10,000O of modern workshop, full automatic production line.Our Factory is professional in Flat Plate Solar Thermal Water Heater Collector OEM ,ODM, Manufacture High-Tech Solar Water Heater system, Flat Plate Solar Water Collector .