... 2.CE,ISO9001,CCC, 3.reliable quality,offer OEM flat solar system(for a project) 2. Specification: 1×2 m², ... no blasting etc.4. Free of charge in using the solar energy to get the hot water, very economy.5. ... .8. The preserved water tank has a water-storage function, using when there is no water supplying.9. You ... can even use the heat of the Solar Water Heater to cold, make hot water drink, wash ...