From 1966 that the factory was founded to the time that it was incorporated into Shougang, the factory was subordinate to No.5 Ministry of Machine-Building Industry of the People’s Republic of China, Ministry of Ordnance Industry of the People's Republic of China, Jilin Province National Defense Industry Office, State Commission of Science and Technology for National Defense Industry, National Machinery Industry Committee etc.
1966National Plan Committee and National Defense Industry Office approved to construct factory of cannonball fuse for minor-caliber antiaircraft artillery in northeast region. Site selection and construction preparation started.
1967Shihugou, Guanma Town, Panshi County, Jilin Province was selected as the site of the factory. Its code number is “324” and the secondary name is State-owned Chiwei Machinery Factory. Production program: yearly output 500,000 “L-1” fuses and 1 million “L-2” fuses.
1968Revolutionary committee of the factory was founded.
1973The factory was completed for final acceptance of construction.
1978Revolutionary committee of the factory was repealed; factory manager responsibility system led by party committee was built.
1980The second factory name was changed to be “State-owned Songnan Machinery Factory”.
1988The factory was incorporated into Shougang parent company and directly affiliated to Shougang parent company of mechanical engineering in accordance with the unified deployment of the State Council.
1991The company was managed by Shougang mining company.
1993The factory was relocated to set “Shougang (Yantai) Dongxing Company” in the development zone of Yantai.
1994“Yantai Shougang Dongxing (Group) Company” was founded and the main body was Shougang (Yantai) Dongxing Company and its core unit.
2003The company was managed by Shougang Military Group.
2008Auxiliary business reform of Yantai Shougang Dongxing (Group) Company was completed and the company was renamed to be Yantai Shougang Dongxing Group Co., Ltd.
2018In May 2018, Shougang transferred its all 35% stock right and the company was renamed to be “Yantai Dongxing Group Co., Ltd.”