Chongqing Zhaohong Technology Co., Ltd. specializes in the precision manufacture of super-hard materials, such as synthetic sapphire & ruby, ceramic, and industrial glass. The production is strictly controlled by ISO9001:2000 system.



We provide high precision components for various industrial markets worldwide. Our company has independent right of Import & export. We serve both domestic and overseas markets extensively.



We specialize in sapphire and ruby bearings which are widely used in water meters, flowmeters, air and gas analyzers and monitors,...