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Beijing Electric Control Co., Ltd. has a brilliant development history and profound historical background. Some of its key enterprises are known as the cradle of the electronic industry of the Republic of China. They have made the first vacuum tube, the first integrated circuit, the first computer, the first switch, the first transmitter and the first ATM in China, which have made outstanding contributions to the development of China's national industry. At present, it has 16 secondary enterprises and 6 public institutions, with a total of more than 80000 employees. In recent years, the annual business income of Beijing Electric Control Co., Ltd. has exceeded 100 billion yuan, and its total assets have reached 371.5 billion yuan. In 2019, Beijing