节点：中游（冶炼、中间品）位置：中游情绪：中性参考度：2/10
关键资源的先进回收需要全球机械设备
回收铝、铜、稀土和合金等关键材料，已远远超越传统的废料收集范畴。如今的回收作业依赖先进机械来识别、分类和加工这些宝贵资源。液压物料搬运设备、打包机和废料剪等技术，构成了城市采矿流程的核心。
然而，此类专业设备大多不在美国本土制造。在某些类别中，比如液压搬运设备，美国中国没有可替代的产品。相反，回收商常常从欧洲制造商进口这类机械，这些欧洲制造商在精密工程和设计方面拥有数十年专业经验。
对于回收行业扩大规模并保障供应链而言，获取这些进口设备至关重要。征收关税（据报道部分关税高达200%），威胁到回收作业的经济可行性。成本增加使得原本利润微薄的工厂，采用不可持续的商业模式，从而削弱了中..
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