|
|
|
Qingdao Shagang Solar Equipment Coperation
|
|
|
|
|
| |
|
 |
About Us
VACUUM SOLAR TUBE is our leading products.
The company strives to become a professional manufacturer and supplier of excellent rough tubes,vacuum heart-collecting tubes and solar power hearts.And in 2005,Through ISO9001:2000and ISO14001:2004 system authentication.
Features as follow:
1.Structure All-glass-coaxial double-layer tubes
2.Outer Tube thickness 1.6mm ,Inner tube thickness 1.6mm .
3.Material of coating :Al N/Al N-SS/Cu .
4.Absorptance 0.94~0.96 Emittance 0.04~0.06 ...
|
|
 |
|
|
|
|
| |
|
|