Solar energy collector:
Size: 47mm, 1500mm, /58mm, 1800mm, tube quantity according the tank capacity,
Copper pipe: Material purple copper,
Glass tube: High borosilicate 3.3, thickness: 2.0mm,
Insulation: Rock wool, and import PU,
Hailstone resistance: 25mm
Bracket: Aluminum al...
Products: wood dust collector,
saw dust collector