金吾财讯 | 铜业股随大市走强，截至发稿，中国大冶有色金属(00661)涨24.06%，五矿资源(01208)涨11.90%，中国有色矿业(01258)涨4.20%，江西铜业股份(00358)涨1.48%。中国银河证券发研报指，中美宏观定位宽松，铜金比处于绝对低位，铜的金融属性增强，同时受供应错配的影响，市场从宽松转向紧平衡，预计铜的长期上涨行情延续。中信建投发研报指，近期硅料、白银价格上涨导致光伏电池、组件企业利润承压加剧，而白银从2019年以来便出现供需缺口并一直延续至今，考虑白银供给刚性+需要使用白银的新兴应用接力增长，预计白银供需长期紧平衡。为控制成本，降低银耗成为光伏电池、组件企业的当务之急，而铜是最理想的替代材料，只需解决铜易氧化、易扩散问题，对此PCB、MLCC、半导体行业已经有丰富的经验可供光伏参考。目前银包铜、电镀铜方案在光伏进展相对较快，纯铜浆是终极目标但还有较多问题需要解决。假设2026-2027年银包铜、铜浆渗透率分别来到17.7%、43%，对应两种浆料产量分别为813、2188吨，将为浆料企业、金属粉体企业带来较大业绩弹性。
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