Dynamics of Subsidiaries
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- On November 2, 2023, Hainan Sancai Petroleum Co., Ltd. was established. [2023-11-30]
- On July 6, 2023, Dalian Xinfu Construction Engineering Co., Ltd. was established [2023-11-30]
- On July 5, 2023, Dalian Yulong Construction Engineering Co., Ltd. was establishe [2023-11-30]
- In 2021, the Road and Bridge Company renovated the Kaixuan Building in Daqing Hi [2023-11-30]
- Oath of joining the Party [2021-01-29]
