Chongqing Shuzhou Technology Co., Ltd. specializes in the precision design and manufacture of super-hard materials, such as synthetic sapphire & ruby (A12O3). Our company has been committed, based on the concept of "developing by the market, marketing by the quality and high quality by technology", to the research and development of optical products such as sapphire & ruby. Our equipments are advanced and the technical force is abundant. We are not only capable of providing all kinds of customers with world-class sapphire & ruby optical products, but also able to design and develop other kinds of special, standardized and personalized crystal components and sapphire optical products required by various of customers.