Formerly known as Leshan Radio Factory, it was founded in 1970. It is currently a joint-stock group containing multiple joint ventures. It mainly manufactures discrete semiconductors and is one of the top 100 electronic information companies in China. Leshan Radio Co., Ltd. and its joint ventures are China's largest discrete semiconductor device manufacturing base. In the past few years, Leshan Radio Co., Ltd. has established an international enterprise management system, including the adoption of the world's advanced production technology, advanced production equipment and management concepts. Since 1993, the annual sales revenue of Leshan Radio Discrete Semiconductors has ranked first among its peers in the country for 12 consecutive years.