If you're looking for high-quality quartz glass for industrial use, I highly recommend checking out
https://optitechno.com/. I personally had a great experience purchasing quartz glass from them. The material was top-notch, with impressive durability and clarity. What stood out to me was their excellent customer service and fast delivery. Plus, they offer a variety of quartz glass types suitable for different industrial applications. Definitely worth considering if you need reliable, high-quality materials.