铜        305,875     108,975      35.63
  铝      2,196,475     672,750      30.63
  铅        193,900      42,225      21.78
  镍        371,724     128,310      34.52
  锡          3,805         765      20.11
  锌        427,850     110,850      25.91
铝合金       12,860          20       0.16