Chongqing Zhaohong Technology Co., Ltd specializes in synthetic precision sapphire and ruby components for various industrial markets worldwide. It is a leading power of the research and manufacture of sapphire and ruby bearings in China. ZHT Bearing dedicates itself in various industrial applications such as water meters, flowmeters, air and gas analyzers and monitors, medical OEM&＃039;s, detector and pressure cells, photodiodes, and bar code readers, etc. Coming through numerous hardship and struggle, nowadays, Chongqing Zhaohong Technology Co., Ltd enjoys a high reputation for its integrated products ranges and one-stop service. It is always open-minded so as to learn more and renovate more. It serves both domestic and overseas markets extensively.