Group 1 - Dongjie Intelligent is planning a major asset restructuring and will suspend trading from December 17, 2025, as it aims to acquire controlling stakes in Aobo (Beijing) Intelligent Technology Co., Ltd. through a share issuance and cash payment [2] - Jiamei Packaging's controlling shareholder is set to change to Zhuyue Hongzhi, with trading resuming on December 17, 2025, after signing a share transfer agreement involving 279 million shares, representing 29.9% of the total share capital, at a price of 4.45 yuan per share, totaling 1.243 billion yuan [3][4] - After the completion of the equity change, the controlling shareholder will be Zhuyue Hongzhi, and the actual controller will be Yu Hao [5] Group 2 - Several companies, including Shanghai Port Group, have undergone leadership changes, with new appointments made for board chairman positions [7][8] - Dongfang Zhizao is planning to transfer approximately 14.33% of its shares, which may lead to a change in control, and its stock has been suspended since December 15, 2025 [10] - Zhonghang Chengfei is planning to invest approximately 422 million yuan in a space equipment assembly base project, which is crucial for the production of aerospace equipment [11] Group 3 - Zhongke Electric is set to invest approximately 7 billion yuan in a lithium-ion battery anode material project in Sichuan, with the first phase aiming for an annual production capacity of 200,000 tons [12] - Woler Nuclear Materials plans to invest up to 1.5 billion yuan in expanding its production base in Guangdong and Vietnam, focusing on new facilities and equipment [13] - China General Nuclear Power has commenced construction on the Ningde Unit 6, utilizing the Hualong One nuclear technology with a capacity of 1210 MW [14] Group 4 - The company Jiayuan Technology has received a notice of lifting the investigation order against its chairman, indicating normal operations [17] - Huayou Cobalt has signed a binding memorandum with a well-known international client for the supply of 79,600 tons of ternary precursor products, which is expected to positively impact future performance [17] - Tianfulong plans to increase its investment in its wholly-owned subsidiary by 580 million yuan to enhance its capital structure [18]