QLI is a leading supplier of fused quartz products for a wide range of application. QLI can supply various sizes of clear and translucent quartz tubes, quartz rods, quartz plates and other quartz ware with high quality and competitive prices. QLI have tens of patents in fused quartz industry like Twin bore tubing, Ruby red tubing, etc. In addition to supply large extensive line of standard quartz products, QLI is a leader in manufacturing customer designed products to specialized market.