Silicon Wafer, Test Wafer, Dummy Wafer manufacturer / supplier in China, offering 6 Inch N Type Polished Sio2 Semiconductor Silicon Oxide Wafer, 8inch CZ N/P Type Sio2 Wafer Silicon Oxidized Wafer, Wholesale Customized P-Type N-Type Monocrystalline Silicon Oxide Wafer and so on.