证券代码：300684 证券简称：中石科技 公告编号： 2025-045 北京中石伟业科技股份有限公司 关于 2025 年半年度业绩预告的自愿性披露公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记 载、误导性陈述或重大遗漏。 一、本期业绩预计情况 预计的业绩：??亏损 ??扭亏为盈 √同向上升 ?同向下降 项目 本报告期 上年同期 归属于上市公司股 盈利：11,600 万元–12,900 万元 盈利：6,269.88 万元 东的净利润 比上年同期增长：85.01% - 105.75% 归属于上市公司股 盈利：10,500 万元–11,800 万元 东的扣除非经常性 盈利：4,454.25 万元 比上年同期增长：135.73% -164.92% 三、业绩变动原因说明 目和新产品放量，主要大客户终端产品散热材料需求用量增加、公司产品份额提 升；AI 赋能下新兴消费电子、数字基建（数据中心、通信基站等）等行业新产 品快速迭代，新的散热方案需求增加，公司高效散热模组、核心散热零部件、高 性能导热材料等营收同比增长较快。同时，公司加大高附加值产品供应，供货产 品结构得到优化，持续推进精益生产、工艺 ...

Group 1 - Haier Air Conditioning's subsidiary terminates investment in a new energy materials project due to economic feasibility concerns stemming from tariff policy adjustments, transportation and exchange rate fluctuations, and intensified market competition [1] - Chengdu XianDao's majority of self-developed new drug projects are in various pre-clinical stages, with significant uncertainty regarding future external transfers [1] - Huafeng Technology plans to raise up to 1 billion yuan through a private placement to fund expansion projects including high-speed line modules and defense connectors [1] Group 2 - Hehe Information expects a revenue increase of 19.15% to 26.13% year-on-year for the first half of 2025, driven by advancements in AI technology and enhanced product competitiveness [2] - Xiamen Tungsten's net profit for the first half of 2025 is reported at 307 million yuan, a year-on-year increase of 27.76%, benefiting from national subsidy policies and increased demand for 3C consumer devices [3] - China Power Construction signed new contracts worth 686.699 billion yuan in the first half of 2025, a year-on-year growth of 5.83%, with energy and power contracts increasing by 12.27% [4] Group 3 - Beilu Zhikong plans to invest approximately 600 million yuan to establish a smart mining driving industrialization base in Nanjing [5] - Zhongshi Technology anticipates a net profit increase of 85.01% to 105.75% for the first half of 2025, driven by recovering market demand in the consumer electronics sector [6] - Yongli Co. intends to establish a joint venture focused on smart pet appliances, with an investment of 2.55 million yuan for a 51% stake [7] Group 4 - Sanquan Foods plans to set up a wholly-owned subsidiary in Hong Kong and invest approximately 280 million Australian dollars to establish a production base in Australia [7] - Yunda Technology's controlling shareholder intends to transfer 10% of the company's shares at a price of 9.01 yuan per share, totaling 400 million yuan [7] - Zhongya Co.'s actual controller plans to reduce their stake by up to 1.27% over the next three months [8] - Delian Group plans to invest up to 60 million yuan of idle funds in securities to enhance cash utilization and returns [9]