上游矿产企业盈利弹性显著释放,以章源钨业为例,每吨钨精矿成本约7万元,当前价格13.8万元/吨,毛利率从45%飙升至68%,净利润对钨价敏感系数达1.8(价格涨10%,净利增18%)。资源储量价值需重新计算,每万吨钨储量对应市值从50亿升至80亿。
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