[ { "symbol": "Cu", "name": "铜", "group": "导电金属", "criticality": "高", "supply_risk": 3, "volume": "高", "components": ["电机绕组", "线束与连接器", "PCB 铜箔", "电池集流体", "散热件"], "function": "导电、传输功率与信号，并承担部分散热。它是整机中暴露面最广的金属之一。", "price_impact": "价格上涨会沿电机、线缆、PCB 和电池多点传导；单点通常可议价，但全链同时受压。", "substitution": "铝可替代部分粗导体和散热件，但在紧凑绕组、柔性线束和高可靠连接中需要重新设计，不能无损替换。", "bottleneck": "更像广谱成本与交付变量，而不是单一功能卡点；高纯铜箔、细线和连接器铜合金的加工能力比原矿更接近 T2。", "companies": ["Freeport-McMoRan", "Southern Copper", "江西铜业", "紫金矿业", "Codelco", "Glencore", "Trafigura"], "source_ids": ["iea_critical_2025", "usgs_mcs_2026", "doe_copper_motor"] }, { "symbol": "Nd", "name": "钕", "group": "磁性稀土", "criticality": "极高", "supply_risk": 5, "volume": "低", "components": ["NdFeB 永磁体", "无框力矩电机", "空心杯电机", "高功率密度执行器"], "function": "提供高磁能积，是在有限体积和质量下实现高扭矩密度的核心元素。", "price_impact": "对磁体和电机成本影响直接；更重要的是分离、金属化和烧结磁体产能集中，断供会限制执行器产量。", "substitution": "铁氧体、铁氮、同步磁阻或感应电机可减少稀土，但通常牺牲体积、重量、效率或控制复杂度。", "bottleneck": "功能关键且中游加工高度集中；本页把它列为一级材料卡点。", "companies": ["中国北方稀土", "MP Materials", "Lynas Rare Earths", "盛和资源", "中国稀土集团"], "source_ids": ["doe_magnets", "iea_rare_earth_2025", "usgs_mcs_2026"] }, { "symbol": "Pr", "name": "镨", "group": "磁性稀土", "criticality": "极高", "supply_risk": 5, "volume": "低", "components": ["NdPr 合金", "NdFeB 永磁体", "高功率密度电机"], "function": "通常与钕共同进入 NdFeB 磁体，提高磁性能并支持高扭矩密度。", "price_impact": "与 Nd 同步传导至磁材和电机；NdPr 氧化物与金属的分离、还原是关键环节。", "substitution": "与 Nd 之间可在一定范围调整比例，但不能消除对磁性稀土体系的依赖。", "bottleneck": "与 Nd 共同构成轻稀土磁材卡点。", "companies": ["中国北方稀土", "MP Materials", "Lynas Rare Earths", "盛和资源"], "source_ids": ["doe_magnets", "iea_rare_earth_2025", "usgs_mcs_2026"] }, { "symbol": "Dy", "name": "镝", "group": "重稀土", "criticality": "极高", "supply_risk": 5, "volume": "微量", "components": ["高矫顽力 NdFeB 磁体", "高温电机磁体", "关节执行器"], "function": "提升磁体在高温和强退磁场下的矫顽力，帮助紧凑电机保持性能。", "price_impact": "用量虽小，但价格和许可变化会显著影响高牌号磁体成本与交期。", "substitution": "晶界扩散、热设计优化和低重稀土磁体可降耗；完全替代往往要求改变电机拓扑或降低温度/功率密度。", "bottleneck": "典型的‘低用量、高关键性、高地缘集中’材料。", "companies": ["中国稀土集团", "盛和资源", "Lynas Rare Earths（扩建中）", "Iluka Resources（项目）"], "source_ids": ["doe_magnets", "usgs_mcs_2026", "iea_rare_earth_2025"] }, { "symbol": "Tb", "name": "铽", "group": "重稀土", "criticality": "极高", "supply_risk": 5, "volume": "微量", "components": ["高温 NdFeB 磁体", "晶界扩散材料", "高性能执行器"], "function": "与 Dy 类似，用于增强高温矫顽力；在部分高牌号磁体中以少量实现显著性能提升。", "price_impact": "单价高、供应窄，价格波动首先体现为磁体牌号切换、配额和交期风险。", "substitution": "可通过 Dy、晶界扩散和电机热管理部分替代，但设计窗口有限。", "bottleneck": "供应比 Nd/Pr 更窄，是高性能磁体的尾部风险。", "companies": ["中国稀土集团", "盛和资源", "Lynas Rare Earths（扩建中）"], "source_ids": ["doe_magnets", "usgs_mcs_2026", "iea_rare_earth_2025"] }, { "symbol": "Sm", "name": "钐", "group": "磁性稀土", "criticality": "中", "supply_risk": 4, "volume": "微量", "components": ["SmCo 高温永磁体", "小型高可靠电机", "传感器"], "function": "用于耐高温、耐腐蚀的钐钴磁体；在人形机器人中属于特定高温/高可靠位置的备选。", "price_impact": "对整体 BOM 影响通常小于 NdFeB 体系，但特殊牌号短缺会卡住特定电机或传感器。", "substitution": "NdFeB 加热管理可替代部分应用；SmCo 在高温稳定性上仍有优势。", "bottleneck": "不是普遍主线，但应作为高温磁材备选链跟踪。", "companies": ["中国北方稀土", "Proterial", "VACUUMSCHMELZE"], "source_ids": ["doe_magnets", "usgs_mcs_2026"] }, { "symbol": "Li", "name": "锂", "group": "电池材料", "criticality": "高", "supply_risk": 3, "volume": "中", "components": ["锂离子电芯", "正极材料", "电解质"], "function": "决定可充电电池的基本化学体系和能量存储能力。", "price_impact": "经碳酸锂/氢氧化锂传导到电芯；电池包占比和化学体系决定实际敏感度。", "substitution": "钠离子可在部分场景替代，但重量和能量密度约束使全尺寸移动人形仍偏向锂电。", "bottleneck": "矿端较分散，但电池级转化与正极链集中；价格周期性强。", "companies": ["赣锋锂业", "天齐锂业", "Albemarle", "SQM", "Pilbara Minerals"], "source_ids": ["iea_critical_2025", "doe_battery", "usgs_mcs_2026"] }, { "symbol": "Ni", "name": "镍", "group": "电池/合金", "criticality": "中", "supply_risk": 3, "volume": "中", "components": ["NMC/NCA 正极", "不锈钢", "镀层", "高强合金"], "function": "在高镍正极中提高能量密度，也用于耐蚀结构和连接件。", "price_impact": "采用高镍电芯时向电池成本传导明显；采用 LFP 时电池端暴露显著降低。", "substitution": "LFP/LMFP 可减少镍钴但可能增加体积重量；结构端可在不同钢种和涂层间替换。", "bottleneck": "是否关键取决于电芯化学体系，不应把所有人形机器人都按高镍路线处理。", "companies": ["Vale", "Tsingshan", "Eramet", "BHP", "Glencore"], "source_ids": ["doe_battery", "iea_critical_2025", "usgs_mcs_2026"] }, { "symbol": "Co", "name": "钴", "group": "电池/磁材", "criticality": "高", "supply_risk": 4, "volume": "低", "components": ["NMC/NCA/LCO 正极", "SmCo 磁体", "耐磨合金"], "function": "稳定部分高能量密度正极，也进入钐钴磁体和耐磨材料。", "price_impact": "在含钴电芯中直接传导；LFP 和低钴配方可大幅降低暴露。", "substitution": "电池端可通过 LFP、LMFP 和低钴高镍体系降耗；磁体和高温合金替代更依赖设计。", "bottleneck": "矿山和精炼地域集中，且常为铜镍副产品，供给响应不完全由钴价决定。", "companies": ["洛阳钼业", "华友钴业", "Glencore", "Vale", "Umicore"], "source_ids": ["doe_battery", "iea_critical_2025", "usgs_mcs_2026"] }, { "symbol": "Mn", "name": "锰", "group": "电池/钢铁", "criticality": "中", "supply_risk": 3, "volume": "中", "components": ["NMC/LMO/LMFP 正极", "合金钢", "弹簧"], "function": "稳定多种正极体系并强化钢材。", "price_impact": "向正极材料和特种钢传导，通常不像锂、钴那样主导电池成本。", "substitution": "电池配方可在 LFP、NMC、LMFP 间切换，但会改变能量密度、循环和供应链。", "bottleneck": "高纯电池级硫酸锰比矿石本身更值得跟踪。", "companies": ["South32", "Eramet", "GEM 格林美", "中国中钢"], "source_ids": ["doe_battery", "usgs_mcs_2026"] }, { "symbol": "C", "name": "石墨/碳材料", "group": "电池/复合材料", "criticality": "高", "supply_risk": 5, "volume": "中", "components": ["电池负极", "碳纤维复合件", "导电添加剂", "密封/润滑"], "function": "石墨是主流锂电负极；碳纤维用于轻量化结构和高刚度部件。", "price_impact": "电池级球形石墨与碳纤维是两条不同链；前者影响电芯，后者影响结构件成本和产能。", "substitution": "硅碳可降低单位石墨用量但仍需石墨基体；铝镁钛可替代部分碳纤维结构。", "bottleneck": "精炼、球化和包覆集中度高；不要把天然石墨资源与可用负极材料等同。", "companies": ["贝特瑞", "杉杉股份", "Syrah Resources", "Toray", "Hexcel"], "source_ids": ["iea_critical_2025", "doe_battery", "usgs_mcs_2026"] }, { "symbol": "Al", "name": "铝", "group": "轻量化/导电", "criticality": "高", "supply_risk": 2, "volume": "高", "components": ["骨架与壳体", "压铸结构件", "电池壳/集流体", "散热器", "部分导体"], "function": "以较低密度提供结构、散热和导电能力，是整机减重与成本平衡的基础材料。", "price_impact": "通过压铸件、机加工件、电池壳和散热件广泛传导；电力成本会影响冶炼价格。", "substitution": "镁更轻、钛更强、碳纤维更刚，但成本、加工、耐蚀和维修性各有权衡。", "bottleneck": "原铝不是唯一风险，薄壁压铸、热处理和高精度机加工良率更接近实际瓶颈。", "companies": ["中国铝业", "Norsk Hydro", "Alcoa", "Constellium"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "Mg", "name": "镁", "group": "轻量化", "criticality": "中", "supply_risk": 4, "volume": "低至中", "components": ["轻量壳体", "支架", "手臂/腿部压铸件", "铝合金添加"], "function": "密度低于铝，可进一步降低移动部件惯量。", "price_impact": "影响镁合金压铸件；原镁冶炼集中使能源或政策冲击可能快速传导。", "substitution": "可用铝、工程塑料或碳纤维替代，但需重新平衡刚度、耐蚀、阻燃和成本。", "bottleneck": "材料供应集中与薄壁压铸工艺并存。", "companies": ["宝武镁业", "云海金属体系", "U.S. Magnesium", "RIMA Industrial"], "source_ids": ["usgs_mcs_2026", "usgs_critical_2025"] }, { "symbol": "Ti", "name": "钛", "group": "高强轻量化", "criticality": "中", "supply_risk": 3, "volume": "低", "components": ["高负载关节件", "紧固件", "耐蚀结构", "弹性件"], "function": "高比强度、耐疲劳和耐腐蚀，适合重量敏感且高载荷的位置。", "price_impact": "主要通过海绵钛、锻件和高难度机加工传导；单位加工成本往往高于原料成本。", "substitution": "高强铝、钢或碳纤维可替代部分位置，但会改变截面、重量与疲劳寿命。", "bottleneck": "更偏高端加工与材料认证，而非整机大宗用量。", "companies": ["宝钛股份", "ATI", "VSMPO-AVISMA", "大阪钛业"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "Fe", "name": "铁/特种钢/电工钢", "group": "结构/磁路", "criticality": "高", "supply_risk": 1, "volume": "高", "components": ["齿轮与轴", "轴承钢", "丝杠", "紧固件", "电机铁芯", "NdFeB 磁体"], "function": "承担结构、耐磨和磁路功能，是精密传动和电机的基础。", "price_impact": "普通钢价影响有限，高洁净轴承钢、薄规格低损耗电工钢和热处理能力更关键。", "substitution": "结构端可与铝钛复合材料互换；齿轮、轴承和磁路对钢种与热处理依赖更高。", "bottleneck": "元素不稀缺，瓶颈在钢种一致性、薄片冲压、热处理和超精加工。", "companies": ["宝钢股份", "Nippon Steel", "POSCO", "JFE Holdings"], "source_ids": ["usgs_mcs_2026", "doe_magnets"] }, { "symbol": "Si", "name": "硅", "group": "半导体/合金", "criticality": "高", "supply_risk": 2, "volume": "低至中", "components": ["逻辑/模拟/存储芯片", "传感器 MEMS", "功率器件", "铝硅压铸合金", "硅碳负极"], "function": "是控制、感知、计算和电力电子的基础材料，也改善压铸流动性。", "price_impact": "机器人风险主要来自晶圆、先进制程、封装和特定芯片供给，而不是冶金硅本身。", "substitution": "SiC/GaN 可替代部分功率硅，代价是成本与供应链变化；逻辑芯片无简单材料替代。", "bottleneck": "工业集中发生在晶圆制造和芯片设计层，不应把它误写成硅矿短缺。", "companies": ["TSMC", "Samsung Electronics", "GlobalFoundries", "UMC", "Intel"], "source_ids": ["usgs_mcs_2026", "usgs_critical_2025"] }, { "symbol": "B", "name": "硼", "group": "磁材/合金", "criticality": "中", "supply_risk": 2, "volume": "微量", "components": ["NdFeB 永磁体", "硼钢", "玻纤"], "function": "NdFeB 磁体的基本组成元素，并用于强化钢和玻璃纤维。", "price_impact": "用量较小，通常不是磁体成本主导项；高纯硼材料和特定合金仍需质量控制。", "substitution": "在 NdFeB 化学体系中不可直接移除，但其供应风险显著低于磁性稀土。", "bottleneck": "功能必要、成本权重较低。", "companies": ["Eti Maden", "Rio Tinto Borates"], "source_ids": ["doe_magnets", "usgs_mcs_2026"] }, { "symbol": "Cr", "name": "铬", "group": "耐蚀/耐磨合金", "criticality": "中", "supply_risk": 3, "volume": "低", "components": ["不锈钢", "轴承钢", "硬铬镀层", "齿轮/丝杠表面"], "function": "提升耐蚀、硬度和耐磨性，延长关节与传动件寿命。", "price_impact": "通过合金钢和表面处理传导；环保和镀层工艺限制可能比矿价更影响交付。", "substitution": "氮化、PVD、无铬涂层和不同钢种可替代部分表面用途。", "bottleneck": "中等供应风险，工艺合规是额外变量。", "companies": ["Glencore", "Samancor Chrome", "Eurasian Resources Group"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "V", "name": "钒", "group": "高强钢", "criticality": "低至中", "supply_risk": 3, "volume": "微量", "components": ["高强合金钢", "弹簧", "齿轮/轴"], "function": "少量添加即可提高钢材强度、韧性和疲劳性能。", "price_impact": "主要嵌入特种钢价格，对整机 BOM 的直接权重较小。", "substitution": "铌、钼及热处理路线可在部分钢种中替代。", "bottleneck": "间接性能材料，不是普遍一级卡点。", "companies": ["攀钢钒钛", "Largo", "Bushveld Minerals"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "Mo", "name": "钼", "group": "高强/耐热合金", "criticality": "中", "supply_risk": 3, "volume": "微量", "components": ["齿轮钢", "轴承钢", "丝杠", "高温合金", "润滑涂层 MoS₂"], "function": "提高淬透性、耐磨和高温强度，也用于固体润滑。", "price_impact": "通过高性能钢和涂层传导，单位用量小但难以在认证后快速更换。", "substitution": "钨、铬、钒和热处理可局部替代，需重新验证疲劳寿命。", "bottleneck": "对高寿命传动件重要，但通常不主导整机成本。", "companies": ["洛阳钼业", "Freeport-McMoRan", "Molymet"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "W", "name": "钨", "group": "硬质合金/工具", "criticality": "高（制造端）", "supply_risk": 5, "volume": "微量/间接", "components": ["硬质合金刀具", "磨削工具", "耐磨触点", "高密度配重"], "function": "更多通过加工工具和耐磨材料影响丝杠、齿轮、轴承和结构件制造。", "price_impact": "对单台原料成本直接影响小，但刀具短缺会降低精密加工产能和良率。", "substitution": "陶瓷、CBN、金刚石和其他硬质合金可替代部分工序，但设备与参数需重配。", "bottleneck": "典型 T2 制造能力材料，影响产能而非终端重量。", "companies": ["厦门钨业", "章源钨业", "Kennametal", "Sandvik"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "Sn", "name": "锡", "group": "电子互连", "criticality": "中", "supply_risk": 4, "volume": "微量", "components": ["无铅焊料", "PCB 组装", "连接器镀层", "铜合金"], "function": "把芯片、被动件、连接器和线束可靠地焊接在一起。", "price_impact": "用量小，价格对总 BOM 影响有限；供应中断会直接卡 PCB/电控装配。", "substitution": "不同 Sn-Ag-Cu 配方可调，导电胶和压接只能替代部分连接。", "bottleneck": "低成本权重但高装配必要性。", "companies": ["云南锡业", "PT Timah", "Malaysia Smelting", "Minsur"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "Ag", "name": "银", "group": "高导电/焊料", "criticality": "中", "supply_risk": 2, "volume": "微量", "components": ["SAC 无铅焊料", "高可靠触点", "导电浆料", "部分传感器"], "function": "提高焊点与触点导电、耐热和可靠性。", "price_impact": "单价高但用量很小，主要挤压电子组装和连接器毛利而非主导整机成本。", "substitution": "可减少银含量或采用铜/镍体系，但可靠性和工艺窗口可能收窄。", "bottleneck": "更偏成本与可靠性权衡。", "companies": ["Heraeus", "Umicore", "Tanaka Precious Metals", "Fresnillo"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "Au", "name": "金", "group": "高可靠互连", "criticality": "中", "supply_risk": 1, "volume": "微量", "components": ["连接器镀层", "键合线/封装", "高可靠触点"], "function": "抗氧化并保持低接触电阻，适合高循环和恶劣环境连接。", "price_impact": "通过镀层厚度和封装工艺传导；高金价推动减薄和铜线替代。", "substitution": "钯镍、银、锡和铜可替代部分用途，但循环寿命和腐蚀性能不同。", "bottleneck": "供应充足，主要是成本优化问题。", "companies": ["Heraeus", "Umicore", "Tanaka Precious Metals"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "Ta", "name": "钽", "group": "电子/耐蚀", "criticality": "高（小体积电子）", "supply_risk": 4, "volume": "微量", "components": ["钽电容", "高温合金", "耐蚀元件"], "function": "钽电容提供高体积效率和稳定性，适合紧凑电源与控制板。", "price_impact": "用量小但供应链窄；缺料会迫使电源设计改版而非只增加成本。", "substitution": "MLCC、聚合物铝电容可替代部分应用，但电压、温度和体积需重新设计。", "bottleneck": "小质量、高认证成本、易造成电子板级改版。", "companies": ["东方钽业", "Global Advanced Metals", "AMG Critical Materials"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "Nb", "name": "铌", "group": "高强钢/磁材添加", "criticality": "中", "supply_risk": 4, "volume": "微量", "components": ["微合金高强钢", "NdFeB 添加剂", "电容/超导特种件"], "function": "以微量细化晶粒并提高钢强度，也可改善部分磁材性能。", "price_impact": "嵌入材料价格，对整机直接成本小；供应集中提高尾部风险。", "substitution": "钒、钼、钛可在部分钢种中替代，需重新认证。", "bottleneck": "非大宗用量，但产地集中。", "companies": ["CBMM", "CMOC 巴西铌磷业务", "Niobec"], "source_ids": ["doe_magnets", "usgs_mcs_2026"] }, { "symbol": "Ga", "name": "镓", "group": "化合物半导体", "criticality": "高", "supply_risk": 5, "volume": "微量", "components": ["GaN 功率器件", "GaAs 射频/光电芯片", "激光器/LED", "NdFeB 微量添加"], "function": "支持高功率密度电源、射频与光电感知；也可少量进入磁材。", "price_impact": "原料用量极小，风险主要表现为出口限制和高纯材料/晶圆可得性，可能延迟电控和传感器交付。", "substitution": "硅、SiC 可替代部分功率器件；光电和射频用途的替代更依赖系统重构。", "bottleneck": "小用量、高纯化、高地缘风险。", "companies": ["中国铝业体系", "DOWA", "Vital Materials", "5N Plus"], "source_ids": ["usgs_gallium", "usgs_mcs_2026", "usgs_critical_2025"] }, { "symbol": "Ge", "name": "锗", "group": "光学/半导体", "criticality": "高（特定传感）", "supply_risk": 5, "volume": "微量", "components": ["红外光学", "光纤", "高速芯片/探测器", "特种镜头"], "function": "用于红外透镜、探测器和部分高速/光通信器件。", "price_impact": "对一般 RGB 视觉影响小，对热成像和特种光学是直接交付风险。", "substitution": "硫系玻璃、硅和其他探测材料可替代部分波段，但性能与工艺不同。", "bottleneck": "副产品属性和精炼集中使供应弹性有限。", "companies": ["云南锗业", "DOWA", "Teck Resources", "Vital Materials"], "source_ids": ["usgs_ge_in", "usgs_mcs_2026", "usgs_critical_2025"] }, { "symbol": "In", "name": "铟", "group": "显示/光电", "criticality": "中", "supply_risk": 4, "volume": "微量", "components": ["ITO 透明导电膜", "显示/触控", "InP 光电器件", "焊料"], "function": "用于人机界面显示、透明电极和部分高速光电器件。", "price_impact": "对无显示的工业人形影响很小；有面部显示、触控或特殊光学时更相关。", "substitution": "银纳米线、导电聚合物和其他透明导体可替代部分 ITO。", "bottleneck": "副产品供应、应用相关性强，不是所有整机共同材料。", "companies": ["株冶集团", "DOWA", "Nyrstar", "Vital Materials"], "source_ids": ["usgs_ge_in", "usgs_mcs_2026", "usgs_critical_2025"] }, { "symbol": "Zn", "name": "锌", "group": "防腐/副产品载体", "criticality": "低至中", "supply_risk": 2, "volume": "低", "components": ["镀锌紧固件", "压铸件", "黄铜连接件", "锗/铟副产品来源"], "function": "用于防腐、压铸和铜合金；其冶炼链也是部分锗、铟的副产品来源。", "price_impact": "直接影响通常有限，但冶炼开工会间接约束锗、铟回收。", "substitution": "镍、锡涂层或铝/塑料结构可替代部分用途。", "bottleneck": "更重要的作用是承载副产品金属供应。", "companies": ["Teck Resources", "Nyrstar", "Vedanta Zinc", "株冶集团"], "source_ids": ["usgs_ge_in", "usgs_mcs_2026"] }, { "symbol": "Pd", "name": "钯", "group": "电子触点/被动件", "criticality": "中", "supply_risk": 4, "volume": "微量", "components": ["连接器镀层", "MLCC 电极（部分体系）", "传感器", "钎焊材料"], "function": "用于耐腐蚀触点和部分高可靠电子材料。", "price_impact": "单价高但可通过镀层减薄和材料替换降低总量；主要影响高可靠元件成本。", "substitution": "金、镍、银和铜基体系可替代部分用途，需平衡腐蚀与寿命。", "bottleneck": "地缘集中较高，但机器人用量极小。", "companies": ["Nornickel", "Sibanye-Stillwater", "Anglo American Platinum", "Heraeus"], "source_ids": ["usgs_mcs_2026"] }, { "symbol": "Pt", "name": "铂", "group": "传感/催化/特种触点", "criticality": "低至中", "supply_risk": 4, "volume": "微量", "components": ["铂电阻温度传感器", "高可靠触点", "实验型燃料电池电源"], "function": "主要用于精密温度检测和极少量高可靠电气用途。", "price_impact": "对主流锂电人形整机成本很小；特定传感器或替代能源方案才有暴露。", "substitution": "热敏电阻、半导体温度传感器可覆盖大多数位置。", "bottleneck": "非共性材料，列入是为了避免把贵金属作用夸大。", "companies": ["Anglo American Platinum", "Impala Platinum", "Sibanye-Stillwater", "Heraeus"], "source_ids": ["usgs_mcs_2026"] } ]