四川
每經AI快訊，4月19日，國際銅夜盤收跌0.21%，滬銅收跌0.12%，滬鋁收漲0.43%，滬鋅收漲0.98%，滬鉛收漲0.39%，滬鎳收跌0.48%，滬錫收漲0.48%。氧化鋁夜盤收跌1.09%。不銹鋼夜盤收跌0.27%。
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