每經AI快訊,5月20日,章源鎢業公布2026年5月下半月長單采購報價,55%黑鎢精礦41.4萬元/標噸,55%白鎢精礦41.3萬元/標噸,仲鎢酸銨(國標零級)66萬元/噸,較5月上半月長單采購報價均大幅下調。
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