2026-08-05
20
2026-08
Shandong Development and Investment Holding Group Co., Ltd. holdings Tongyu Heavy Industry and Jinan Institute of Metallurgical Science Co., Ltd.
2026-08-20
13
2022-07
Zhuhai Port Group Holdings acquires Tongyu Heavy Industry and Jinan Institute of Metallurgical Science Co., Ltd.
2022-07-13
13
2022-07
Jinan Institute of Metallurgical Science Co., Ltd. was wholly owned by the listed company Tongyu Heavy Industry
2022-07-13
13
2022-07
The first batch of scientific research institutes in Jinan undergo shareholding reform
2022-07-13
13
2022-07
13
2022-07
13
2022-07
13
2022-07
On the basis of Jinan Hongqi Cartridge Factory, Jinan Cemented Carbide Factory was established
2022-07-13
13
2022-07
The predecessor of Jinan Metallurgical Institute, Jinan Hongqi Paper Box Factory was established.
2022-07-13
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