铜        175,975      51,400       29.21
  铝      2,884,300     575,100       19.94
  铅        169,450      67,825       40.03
  镍        424,854     136,632       32.16
  锡          3,905         405       10.37
  锌        462,250      60,600       13.11
铝合金       16,200          20        0.12