【今年全球铜矿产量或现2017年以来首次下降】国际铜业研究组织的数据显示，上半年全球铜矿产量下降1.1%，智利国家铜业公司和Freeport-McMoRan的产量均录得两位数降幅。摩根士丹利年初原本预计铜矿供应将增长，目前预计产量基本持平或略有下降，这意味着全球铜矿产量可能出现2017年以来首次年度下滑。
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