三维股份披露业务布局与业绩预期，股价近期小幅波动

Group 1 - The company has established a business structure focusing on three main sectors: "chemical and transportation," with plans to expand upstream into coal tar and green electricity, and downstream into biodegradable plastics [1] - The new material chemical business is set to produce 300,000 tons/year of BDO and 360,000 tons/year of calcium carbide in Inner Mongolia, aiming to become a global leader in integrated BDO and biodegradable plastics [1] - The rail transportation business is focusing on regions such as the Pearl River Delta, Yangtze River Delta, and provinces along the "Belt and Road," targeting high-speed rail and subway projects [1] Group 2 - The company forecasts a net profit loss of 250 million to 380 million yuan for 2025, primarily due to low BDO prices affecting its subsidiary in Inner Mongolia, although the rail transportation business has recovered to 2023 profit levels [2] - The polyester fiber business has significantly reduced losses through "anti-involution" measures [2] - The demand for biodegradable plastics is expected to grow with the implementation of the new national standard for biodegradable plastic shopping bags in 2027, which will require a biodegradation rate of 90% [2]