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 10,000㎡ 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 .