美畅股份：目前公司自制钨丝母线的自供比例约50%，钨丝母线扩产项目设备已全部安装调试完成

Core Viewpoint - The company is actively managing its tungsten procurement and production strategies to adapt to market fluctuations and enhance operational efficiency [1] Group 1: Procurement and Inventory Strategy - The company follows a demand-driven procurement principle and conducts forward-looking inventory planning based on industry trend analysis [1] - The pricing mechanism for tungsten procurement is market-based and determined through negotiations with key suppliers [1] - A dynamic cost management system has been established to address raw material price fluctuations, utilizing process optimization, supply chain coordination, and tungsten scrap recycling [1] Group 2: Production and Supply Chain - The current self-supply ratio of tungsten wire busbars is approximately 50%, with future targets for increasing this ratio dependent on market and production conditions [1] - Tungsten wire diamond wire is a key product line for the company, with specific data on annual share, average selling price, and gross margin to be disclosed in regular company reports [1] - The expansion project for tungsten wire busbars is progressing smoothly, with all equipment installed and debugged, while the company continues to enhance quality control and process research and development [1]