Circular pure clear quartz glass disc with holes clear quartz plate is widely used for observer window the size is from 20 to 1000mm, thickness is from 0.2 to 50mm. Feature Products expasion rate,high ... Read More
Circular pure clear quartz glass disc with holes clear quartz plate is widely used for observer window the size is from 20 to 1000mm, thickness is from 0.2 to 50mm. Feature Products expasion rate,high ... Read More