铜        347,800      51,225       14.73
  铝      2,161,575     862,150       39.89
  铅        191,225      66,375       34.71
  镍        364,782     114,942       31.51
  锡          3,745         815       21.76
  锌        444,150      23,350        5.26
铝合金       13,680          20        0.15