Constone Sapphire Technology Co.,Ltd .is specialized in manufacturing Sapphire Windows, Sapphire Substrates, Sapphire Rods, Sapphire Tubes ,Sapphire Orifices, Sapphire Rings,Sapphire Balls,Sapphire Nozzles,Sapphire Lenses and custom precision components for instrumetation, optics, Laser,medical, aerospace, military . semiconductor, We offer various specifications at very competitive price.