0.6~0.7W/(.)
Average heat loss coefficient
H=3.1~3.4MJ/
H
Solar vacuum tube is a cheap and efficiency solar collector
| Delivery Time: | 7 days |
| Supply Ability: | 40000 Piece/Pieces per Day |
| Payment Terms: | T/T |
| Port: | Shanghai |
| Type: | Board Book |
| Place of Origin: | Zhejiang China (Mainland) |