万通发展完成对数渡科技增资及相关股权收购；杰创智能：签署两项算力业务合同｜晚间公告精选

Mergers and Acquisitions - Water Holdings plans to acquire 100% equity of Walka Sealing Products (Shanghai) Co., Ltd. for 25.716 million yuan [1] - Wantong Development has completed an investment and equity acquisition of Beijing Shudu Technology Co., Ltd. for a total investment of 854 million yuan, obtaining 62.9801% equity [2] - Huayou Cobalt intends to transfer 25% equity of LG-HY BCM, Co., Ltd. to Toyota Tsusho Corporation for 121 million USD (approximately 861 million yuan), expecting an investment gain of about 473 million yuan [3] Shareholding Changes - China Baoan's major shareholder plans to increase holdings by no less than 1 million shares within six months, based on confidence in the company's future development [4] - Xinquan Co.'s actual controller plans to reduce holdings by no more than 974.61 million shares, accounting for 2% of total shares, to meet personal funding needs [5] - Jiangte Electric's actual controller has increased indirect holdings from 4.08% to 9.29% through a share transfer agreement, without changing control [6] Investment Contracts - Jiechuang Intelligent signed two contracts for computing power services totaling 332 million yuan and 26.9472 million yuan, marking a breakthrough in intelligent computing services [7] - The subway design company signed a contract for the Vietnam urban rail transit project worth 175.4 billion VND, marking its entry into the Vietnamese market [8] - Linyang Energy signed a supply contract for smart meters worth approximately 54 million USD (about 383 million yuan), expected to positively impact future operations [9] Risk Events - Longbai Group's subsidiary experienced a safety accident resulting in five deaths and has temporarily suspended production for rectification [10] - ST Huaxi's controlling shareholder has had their detention lifted and changed to a directive for investigation [11] - Hengbang Co. received an administrative penalty due to a serious production safety accident resulting in multiple casualties and significant economic losses [12]