Shenzhen Huazhong Aviation Technology Testing Co., Ltd. was established in 2003 and has passed CMA certification, CNAS certification and metrology certification. It is a third-party testing institution and professional metrology testing institution integrating technology research and development, instrument calibration testing, instrument calibration, calibration certificate issuance, measurement instrument verification, measurement calibration testing and training consultation, and it is also a national high-tech enterprise. After 17 years of development, Huazhong Airlines has become a calibration organization company of well-known domestic measurement brands.

At present, China Hangxin has set up seven branches in China, built 10 laboratories, obtained more than 10 invention patents and software copyrights, and provided professional calibration services and certificates for tens of thousands of well-known enterprises at home and abroad, such as Samsung, Huawei, China Railway Electrification Group, China Resources Group, Qilu Pharmaceutical and China Petroleum. The service network covers the whole country, and the service quality is recognized by customers.

Central China Airlines adheres to the development concept of "Quality in the World, Quality in China" and is committed to building a "Quality China" to improve the overall quality level of the country.