Purchase Qty. Reference FOB Price
100-599 Pieces US$7.50
600-2,499 Pieces US$7.20
2,500+ Pieces US$7.00
Product Description
SOLAR VACUUM TUBE WITH HEAT PIPE Heat pipe vacuum tube is the core parts of solar collector. It absorbs solar energy converting it into heat for hot water heating. Solar vacuum tubes have already been used more than 20 years in China. Specification: For more infomation, ...