We are a leading company of China, specialied in synthetic sapphire(AI2O3) and ruby products, mainly include cup jewls, sapphire endstones and windows, hole jewels, rod jewels, balls jewels, special jewels, ceramic component. These products are chiefly applied to accurate measuring instrument, machinery, high-pressure water, liquid cutting, laser technology, circuit substrated, sensor, optical-fibre communications, textile, medical science, war industry and Aero-Space, etc.