Hi,We need Quartz Plate or Fused Silica Glass for UV LEDs. We dont have any preferred size. Please offer your best products & prices.Are you supplying to any big customers in China or West? Please enclose your own lab test report if you have.We are LEDchip Indus P Ltd, India's oldest manufacturer of LEDs.Now we are making & selling UV LEDs. Send me details.Thanks Show More