clear quartz plate is widely used for observer windowthe size is from 20 to 1000mm, thickness is from 0.2 to 50mm.Feature Productsexpasion rate,high temperature proof,chemical stability,perfect insulation... Read More
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 temperature proof,chemical stability,perfect insulation... Read More