Flat-plate solar collector

Flat-plate solar collector  is a plate structure solar collector with metal tube inside. It has
a high thermal efficiency, producing large amount of hot water. The cost-effective ratio is high. The collector can work with pressure. Water is heated inside the copper tube and the quality is stable and reliable. Component type flat-plate solar collector can substitute for part or whole sloping roof. It can also be installed in the facade wall and balcony and become a solar hot water/heating system integrated with the building.