1.it is provide with three high efficiency that anti-chilliness,anti-high temperature and absord sloar energy

2.Two layers all glass vacuume tube

3.No water flowing in the glass tube

4.Special silica gel for sealing up is not easy to aging, release automatically when high temperature or high pressure in heat pipes.

5.Standard: 58-1800

1.        High heat collecting efficiency , at least 20% upgrade than common solar system.,

2.       Rapid heat conduction, the speed of heat conduction is 1000 times than the performance of copper,

3.       Special silica gel for sealing up is not easy to aging, release automatically when high temperature or high pressure in heat pipes.

4.       Standard: 47-1500//58-1800

1.       Two layers all glass vacuum tube , insided aluminium-fin.

2.       High heat collecting efficiency.

3.       No burst when the pipe reaches at －40℃ in the winter ;no burst when the pipe reaches 300 °C in the summer.

4.       Standard: 70-2000