Purchase Qty. Reference FOB Price
100-599 Pieces US$20.00
600-2,499 Pieces US$19.00
2,500+ Pieces US$18.00
Product Description
Big size solar vacuum tube Big diameter solar vacuum tube is for solar cooker application. It absorbs solar energy converting it into heat for solar cooking. Solar vacuum tubes have already been used more than 20 years in China. Each solar evacuated tube consists of two glass tubes made ...