we supplies optical monocrystalline diameter 2mm - 300mm,co2 laser mirrors with monocrystalline 2mm - 300mm,CZ monocrystalline silicon lapping wafer , polished wafer with diameter 2/3/4/5/6/8inchsFZ monocrystalline silicon.lapping wafer , polished wafer with diameter 2/3/4/5/6/8inchs