欣旺达：公司通过多种途径保障上游资源稳定供应

Group 1 - The company, XINWANDA, is ensuring stable supply of upstream resources through various methods such as cooperative mining, establishing joint ventures with mining companies, and investing in upstream enterprises [2] - In response to rising prices of raw materials like lithium carbonate, the company has established a price linkage mechanism with downstream customers to share the burden of increased raw material costs [2]