central heating system solar water (China)

Features:

1,Suitable for both flat roof and slope roof

2,Employing sliding way for the frame,much more easier for installation,especially suitable for European-styled houses.

3,High efficiency:>55% and >40% in winter

4,Still works as normal as before even one vacuum tube destroys

5,Hailstone resistance:25mm

6,Higher effeciency,stable performance,beautiful design.