- Separated Pressurized solar water heaters
- 2017-01-08 22:30
- 1) The pipeline is made from red copper through medium heat transmission2) No water flows in the vacuum tube and works a
- Solar Water Heater
- 2017-01-08 22:30
- 1) The vacuum tube adopts the three-layer heat collection techniques : higher heat-getting efficiency , reducing the wat