Ge Long Hui·2025-11-28 00:43Key Points - The core viewpoint of the articles highlights various corporate announcements, including stock buybacks, project investments, and share transfers, indicating active corporate strategies in response to market conditions [1][2]. Company Announcements - Tianpu Co., Ltd. is under suspension for verification [1]. - Saiwei Electronics reports that the MEMS-OCS chips produced by its partner, Silex Beijing, have not yet entered mass production [1]. - Hongyang plans to establish a full industry chain in Qujing, Yunnan, centered around pyridine alkaloids [1]. - China Aluminum International has won a bid for the "large-to-small" upgrade project of the Qinglongxia electrolytic cell [1]. - Haohan Deep intends to acquire a 16.0656% stake in Guorui Zhizhi for 70.6886 million yuan [1]. - Huaxin Environmental has completed a buyback of 1.3202% of its shares [1]. Share Transactions - Perfect World’s actual controller, Chi Yufeng, plans to reduce his stake by up to 1.7% [2]. - Mindray Medical's chairman, Li Xiting, intends to increase his stake by 200 million yuan [2]. - Yidelong's major shareholder, Wang Ming, plans to reduce his holdings by up to 320,000 shares [2]. - Zhongman Petroleum's shareholders plan to collectively reduce their holdings by up to 13.869 million shares [2]. - Innovation New Materials reports that Hualian Group intends to reduce its stake by up to 37.5607 million shares [2]. Other Corporate Activities - Guangdong Jianke has signed a framework agreement with the Linzhi Economic Development Zone Management Committee [2]. - Chen'an Technology is planning to issue A-shares to specific investors, leading to a stock suspension [2].