... Series 2.Optical Glass Products SeriesZCQ Main products: 1. ORDINARY QUARTZ PRODUCTS: QUARTZ PLATE, QUARTZ TUBING, QUARTZ ROD2. SIO2 SPUTTERING TARGETS: Grain, Wafer, Disc, Panel ... : High windows, ultra-thin window, large window, prism, lens, cylindrical lensIf you are interested ,pls feel free to contact us . Quartz Plate/Quartz Wafer