瑞丰高材：控股子公司瑞丰玥能主要从事黑磷产品的研发及低成本产业化相关业务

Core Viewpoint - Ruifeng High Materials (300243) is currently in the ton-level pilot test stage for its subsidiary Ruifeng Yueneng's black phosphorus product development, which will not significantly impact this year's performance [1] Group 1 - The company is focused on the research and low-cost industrialization of black phosphorus products [1] - The current stage of development is at the ton-level pilot testing phase [1] - The performance impact for the current year is expected to be minimal [1]