三峡水利：公司拥有锰矿开采、电解锰生产加工及销售的完整产业链，电解锰产品主要销售给钢铁等行业客户

Group 1 - The company has a complete industrial chain for manganese mining, electrolytic manganese production, processing, and sales [1] - The electrolytic manganese products are primarily sold to customers in the steel (stainless steel) industry [1]