中伟股份：公司磷矿资源的采矿权证已取得 项目尚处于设计和规划阶段，项目建设规模年洗选磷矿石280t

Group 1 - The company has obtained mining rights for its phosphate mine in Guizhou, and the project is currently in the design and planning stage [2] - The planned construction scale includes an annual washing capacity of 2.8 million tons of phosphate ore, utilizing a process of "crushing, screening, ball milling, flotation, concentration, and filtration" [2] - Once completed, the project is expected to produce 1.95 million tons of phosphate concentrate annually, enhancing the company's industrial chain and improving profitability [2]