公告精选︱源杰科技：拟投资约12.51亿元建设光电通讯半导体芯片和器件研发生产基地二期项目

Group 1 - ST京蓝 may apply for suspension of trading if stock price continues to rise abnormally [1] - ST * 4 is under investigation by the CSRC for suspected information disclosure violations [1] - Alliance Material plans to invest in a project to produce 30,000 tons of lithium-ion battery cathode materials annually [1] - Jin Tanglang has won a contract for a project worth 242 million yuan [1] - Zhongmin Energy intends to acquire a 51% stake in Mintou Pumped Storage for 864 million yuan [1] - Weimais expects a net profit of 557 million yuan for 2025, a year-on-year increase of 39.22% [1] - Kaiying Network plans to repurchase shares worth 100 million to 200 million yuan [1] - Tengya Precision plans to reduce its stake by up to 2.68% [1] - Optoelectronics intends to issue convertible bonds not exceeding 1.38 billion yuan [1] - Zhiguang Electric has received customer orders worth 1.004 billion yuan [1] Group 2 - Borui Communication plans to acquire a 9% stake in its subsidiary Hongxing Education [2] - Changchuan Technology's actual controller plans to reduce its stake by up to 1.1128% [2] - Optoelectronics plans to issue convertible bonds to raise no more than 1.38 billion yuan for AI intelligent vision solution R&D [2] - Zhiguang Electric has secured customer orders worth 1.004 billion yuan [2] - Xiamen Tungsten plans to acquire a 39% stake in Jiujiang Dadi [2] - Fangda Carbon plans to acquire 100% of Tongda Huanyu for 319 million yuan [2] - Eastern Airlines Logistics intends to acquire a 49% stake in Eastern Airlines Supply Chain for 200 million yuan [2] - Jinhui Co. plans to acquire 100% of Fusheng Mining for 210 million yuan [2] - Zhongmin Energy intends to acquire a 51% stake in Mintou Pumped Storage for 864 million yuan [2] - Yunyi Electric plans to repurchase shares worth 100 million to 150 million yuan [2] - Gaoweida plans to repurchase shares worth 30 million to 35 million yuan [2] - Kaiying Network plans to repurchase shares worth 100 million to 200 million yuan [2] - Tiankang Biological plans to repurchase shares worth 100 million to 200 million yuan [2] - Dianzhu Technology plans to repurchase shares worth 100 million to 200 million yuan [2] - Tengya Precision plans to reduce its stake by up to 2.68% [2] - Bowei Alloy plans to increase its stake by 100 million to 150 million yuan [2]