Changzhou Changchao Electronics Research Institute and Changzhou Changchao Testing Equipment Co., Ltd. were founded in 1980 and are located in Changzhou, Jiangsu Province. Covering an area of 17,000 square meters, it is a physical enterprise producing ultrasonic transducers. After years of hard work and experience accumulation, it has gained a high reputation and popularity in the non-destructive testing industry. The company has multiple sets of ultrasonic testing equipment that are synchronized with international standards. It has a technology center, a research and development center, and a testing center. It is a high-tech enterprise in the domestic non-destructive testing industry that integrates development, design, production, and processing. Products are widely used in nuclear industry, aerospace, shipbuilding, petroleum, chemical industry, metallurgy and other industries. High standards, good quality and after-sales service system have been praised by users.

Changchao Electronics Research Institute always takes technological progress as its guide and quality assurance as its goal. It has an independent development team composed of many technical backbones of the non-destructive testing ultrasonic group. It also maintains long-term cooperative development and technical exchanges with well-known universities and colleges such as the Chinese Academy of Sciences Institute of Silicates, Tsinghua University, Nanjing University of Aeronautics and Astronautics, and Shanghai University of Applied Technology. A doctoral student studio is set up in Changchao Electronics Research Institute to facilitate the combination of theory and experiment.

Changchao Electronics Research Institute has won the Jiangsu Provincial High-tech Enterprise, Jiangsu Provincial Private Technology Enterprise, Jiangsu Provincial Science and Technology-based Small and Medium-sized Enterprise, and Changzhou Famous Trademark. It has been rated as a 3A credit enterprise for many years, and has been authorized more than 40 utility model patents and 4 national invention patents. In 2006, the company hosted the National Non-destructive Testing Ultrasonic Transducer Seminar; in 2009, it hosted the China Mechanical Engineering Non-destructive Testing Council and the National Nuclear Industry Ultrasonic Professional Conference; in 2012, it co-hosted the Liaoning Provincial Non-destructive Testing Conference; in 2013, it hosted the China Shipbuilding Engineering Non-destructive Testing Conference; in 2015, it co-hosted the National Defense Science and Technology Industry Level 3 Non-destructive Testing Conference; and in 2016, it hosted the National Special Inspection Institute TOFD Level 2 Recertification Class. With this persistence and pursuit, Changchao Electronics Research Institute has become a leader in the industrial flaw detection ultrasonic transducer industry. "Quality is the life of the enterprise." High standards, refinement, and zero defects are the beliefs of Changchao Electronics Research Institute.

Changzhou Changchao Electronics Research Institute and Changzhou Changchao Testing Equipment Co., Ltd. have a vigorous, struggling, and tenacious production and R&D team, and their independent research and development and production have won the praise of many users. Products are exported to the United States, Japan, Canada, Norway, Italy, Saudi Arabia and other countries for a long time. The products are high-end and have replaced imported products. For many years, they have been used in nuclear industry testing, national defense testing, and automatic testing of large steel mills.