Chongqing Zhaohong Technology Co., Ltd. is an accredited manufacturer by ISO9001:2008 quality system (Cert. 04409Q11774R0M). We are a leading manufacturer of high precision synthetic sapphire and ruby for various applications such as measuring instrumentation and medical device, etc. Chongqing Zhaohong Technology Co., Ltd. has independent right for import & export, serving worldwide markets .
