双星新材：公司加大研发投入，重点布局相关高附加值产品的研发应用

Core Viewpoint - The company is increasing its R&D investment to focus on high value-added products, aiming to break foreign technology monopolies and enhance the domestic production rate of high-performance polyester films, particularly optical films [1] Group 1 - The company is emphasizing the development and application of high value-added products [1] - There is a significant improvement in the domestic production rate of high-performance polyester films [1] - The acceleration of the domestic substitution process for high-end products is expected as domestic companies enhance their product competitiveness [1]