铜        328,350     116,050       35.34
  铝      2,183,675     643,050       29.45
  铅        195,750      44,200       22.58
  镍        371,280     126,306       34.02
  锡          3,745         835       22.30
  锌        427,850     106,150       24.81
铝合金       13,180         340        2.58