Nanjing Sanle Electronic Information Industry Group Co., Ltd. is located at No.5 Guangming Road, Pukou Economic and Technological Development Zone, Nanjing. Formerly 1935, the electrical laboratory was established by the former National Government Resources Committee. In 195 1, it was expanded into the first professional electron tube factory in China, and was known as the cradle of China's vacuum electronics industry. The company has the largest electronic production and scientific research base in China, and is one of the professional scientific research and production units of microwave electric vacuum devices supported by the state. Over the past 70 years, the company has made outstanding contributions to the development of vacuum electronics industry in China and the modernization of national defense in China.
After several generations of pioneering and continuous innovation, the company's assets exceeded 654.38 billion yuan and its employees exceeded 2,200, forming three major business systems, namely, vacuum electronics, application machines and modern service industries. The company covers a total area of 300,000 square meters, with a total construction area of nearly 200,000 square meters. Mainly engaged in the research and development and production of various high-tech products such as vacuum electronic devices, microwave energy application systems, special glass and ceramics, and special equipment for electric vacuum. The company's vacuum electronic products are widely used in national defense and civil fields.