g) Average heat waste coefficient: UIt
We are professional solar vacuum tubes manufacturer since 1998,Our annual production are over 10 million units.
| Package: | 8/9/12/15/18/21/24 Pcs each carton with polystyrene foam reinforced inside |
| Supply Ability: | 30,000 Piece/Pieces per Day |
| Glass: | Borosilicate 3.3 |
| Pipe Material: | Glass |
| Application: | Solar Thermal |
| Type: | Non-Pressure |
| Model Number: | ST47-1500 |
| Brand Name: | BAOGUANG |
| Place of Origin: | Zhejiang China (Mainland) |