By May 17, 2023, Zhongke Daizong Aviation Technology Co., Ltd., a subsidiary of Shandong Miner, was reorganized with the Institute of Engineering Thermophysics of Chinese Academy of Sciences due to its long product development cycle and narrow product application scope. Shandong miners and military workers of the head office will not be reorganized. Shandong Mining Machinery Group Co., Ltd. was established in 1955. The company has four holding subsidiaries, namely Shandong Mining Machine Laiwu Coal Machine Co., Ltd., Beijing Sankuangtong Technology Co., Ltd., Xinjiang Changmei Machine Co., Ltd. and Weifang Cole Building Materials Machinery Co., Ltd., and now has total assets of 654.38+03 billion yuan, covering an area of 800 mu, with a workshop area of 260,000 square meters and more than 2,000 employees.