人民财讯12月25日电，上海港湾（605598）12月25日发布股票交易异常波动公告，公司主营业务为地基 处理、桩基工程等岩土工程相关业务，截至目前，公司主营业务未发生改变。经审计的2024年公司财务 数据显示，商业航天业务和钙钛矿太阳能业务占公司营收比例不足1%，规模较小，且尚未盈利。上述 事项对公司当前主营业务的开展无实质影响。 ...

上海港湾发布异动公告称，公司主营业务为地基处理、桩基工程等岩土工程相关业务，截至目前，公司 主营业务未发生改变。根据经审计的2024年公司财务数据显示，商业航天业务和钙钛矿太阳能业务占公 司营收比例不足1%，规模较小，且尚未盈利。上述事项对公司当前主营业务的开展无实质影响，请广 大投资者审慎决策、理性投资。 （文章来源：第一财经） ...

Core Insights - The article highlights significant corporate announcements and developments in various companies, including project investments, contract wins, share buybacks, and performance forecasts. Company Announcements - **DeguTech**: Not involved in the core equipment manufacturing for nuclear energy or nuclear pollution management [1] - **Kuntai Co.**: Plans to establish an automotive carpet production line in Morocco and supply to Trèves [1] - **Shan Jian Co.**: Awarded the EPC general contracting project for the 150MW Fenghuangling Wind Power Project in Guangxi [1] - **Dike Co.**: Plans to acquire 62.5% equity in Jiangsu Jingkai to strengthen its core competitiveness in storage business [1] - **Trina Solar**: Has repurchased 0.9964% of its own shares [1] - **Xian Da Co.**: Expects a net profit increase of 2807.87% to 3211.74% year-on-year for the first three quarters [1] - **Huason Pharmaceutical**: Controlling shareholder's concerted action party plans to reduce holdings by no more than 3% [2] - **Rima Precision**: Secured a project for automotive air suspension system products [2] - **Guangda Special Materials**: Chairman and General Manager Xu Weiming has been subjected to retention measures [2] Performance Forecasts - **Batian Co.**: Anticipates a net profit growth of 230.79% to 260.15% year-on-year for the first three quarters [1] - **Shenghe Resources**: Expects a year-on-year net profit increase of 696.82% to 782.96% for the first three quarters [1]