Purchase Qty. Reference FOB Price
2-9 Pieces US$310.00
10+ Pieces US$295.00
Product Description
Knowledge Tip All our solar vacuum tubes are made of high borosilicate glass. High borosilicate glass is known as the purest glass in the world. The chemical properties are very stable, very heat-resistant, and will not release toxic elements even after heating, so it is generally used as baby ...