上海港湾(605598.SH)：钙钛矿太阳能电池业务及商业航天业务占公司营收比例均规模较小

Core Viewpoint - Shanghai Port Bay (605598.SH) issued a risk warning, clarifying that its main business is related to geotechnical engineering, specifically ground treatment and pile foundation engineering, rather than being involved in perovskite solar cells or commercial aerospace sectors [1] Summary by Relevant Categories Company Business - The company confirmed that its core operations focus on geotechnical engineering, including ground treatment and pile foundation projects [1] - Perovskite solar cell and commercial aerospace businesses contribute less than 0.5% to the company's total revenue, indicating their minimal impact on overall operations [1] Financial Performance - According to audited financial data for 2024, both the perovskite solar cell and commercial aerospace segments are currently operating at a loss [1] - The company reassured investors that these segments do not have a substantial effect on its main business activities [1]