Min. Order Reference FOB Price
50 Sets US$230.00-250.00 / Set
Product Description
Low Pressure Glass Tube Solar Collector Technical Parameters: Vacuum tube Size (mm) Φ47×1500 Φ58×1800 Tube (pcs) 40 / 50 / 60 / 70 Material 3.3 Borosilicate glass, magnetron spluttering coating Coating AL/AL-ALN(H)/AL-ALN(L)/ALN or ...