Guangzhou Doppler Electronic Technologies Inc (Stock Code: 301528) was established in 2008 and specializes in industrial non-destructive testing (NDT).

The company focuses on ultrasonic phased array technology and provides complete NDT solutions, including inspection instruments, automated systems, transducers, and customized software.

Recognized as a national-level SRDI “Little Giant” and National High-Tech Enterprise, Doppler was successfully listed on the ChiNext Board of the Shenzhen Stock Exchange in August 2023, and is widely regarded as China’s first publicly listed ultrasonic NDT company.