永杉锂业：公司并无自有锂矿资源

Group 1 - The core point of the article is that Yongshan Lithium Industry (603399.SH) currently does not possess its own lithium mine resources, and its lithium supply mainly comes from long-term procurement agreements [1] Group 2 - The company has clarified its sourcing strategy for lithium, indicating reliance on external suppliers rather than self-owned mining operations [1]