- Solar Water Heaters with AL-N/AL Coating
- 2017-11-19 13:03
- Model Number: QBJ58/1800-20 Brand Name: chemetals Key Specifications/Special Features: 58/1800 heat pipe AL-N/AL coatingVacuum degree: ≤5X10-3PaAbsorbing coefficient: ≥92%Emission coefficient: ≤10%Lowest temperature: according to your requirem...