Group 1 - Dongfang Shenghong's controlling shareholder plans to increase its stake by 500 million to 1 billion yuan within six months [1] - Aiwei Electronics is set to mass-produce a low-power high-voltage piezoelectric micro-pump liquid cooling product, marking a breakthrough in domestic chip technology [1] - *ST Jiuyou received a decision from the Shanghai Stock Exchange to terminate its stock listing, which will transition to the national SME share transfer system [2] Group 2 - Hangzhou Garden plans to invest up to 450 million yuan to build a smart ecological design R&D headquarters [2] - Tiancheng Self-Control intends to invest 20 million yuan to establish a subsidiary [3] - Leidi Ke is acquiring a 30% stake in a partnership fund for 40 million yuan, indirectly holding 20% equity in Beifang Machinery [5] Group 3 - Jiangbolong's subsidiary signed a memorandum of cooperation with Sandisk to develop customized UFS products for the mobile and IoT markets [6] - Tongda Co. announced plans for its directors and executives to reduce their holdings by a total of 0.029% [7] - Yinlun Co.'s subsidiary completed the counseling acceptance for its public offering and listing on the Beijing Stock Exchange [8] Group 4 - Hongli Zhihui's controlling shareholder obtained a special loan of up to 45 million yuan for stock buyback [9] - Fengshan Group's shareholders plan to reduce their holdings by a total of 983,000 shares [11] - Kuai Ke Electronics' shareholder plans to reduce their holdings by up to 2% [13] Group 5 - Zhongdian Xinlong's director plans to reduce their holdings by up to 0.81% [15] - Maihe Co.'s shareholder intends to reduce their holdings by up to 1.5% [17] - Yuandao Communication's shareholder plans to reduce their holdings by up to 1.01% [19] Group 6 - Muyuan Co. submitted its H-share issuance application to the China Securities Regulatory Commission [21] - Jiechuang Intelligent won a police equipment procurement project worth 11.2362 million yuan [21] - Chongqing Steel signed an asset transfer contract worth 1.081 billion yuan with the Heavy Steel Group [22]