Solar thermal flat plate collector 1.Solar Keymark, SRCC certificate 2.Good price, high quality, OEM/ODM 3.Size:2000mm*1000 Flat ... joints with the protecting of heat-absorbing layer,the thermal energy conversion rate is5% higher than traditional typeWhole plate ... ,Eastern Europe ,Southeast Asia, Mid East ,Western Europe. high absorptivity black chrome coated solar thermal flat plate collector with