Min. Order Reference FOB Price
6000 Pieces US$1.70-2.10 / Piece
Product Description
47*1500mm Evacuated tube 58*1800mm Solar Vacuum Tube Features: Qirui All-glass Vacuum Tube is made of dual borosilicate glass tubes, the space between the two tubes is evacuated. The AL/N/AL selective coating on the outer wall of the inner tube absorbs sunshine and transforms it into heat which ...