铜        193,475      47,700       24.65
  铝      2,755,600     617,600       22.41
  铅        211,475      98,925       46.78
  镍        439,932     162,444       36.92
  锡          3,655         355        9.71
  锌        475,100      76,150       16.03
铝合金       16,100          20        0.12