铜        146,450      35,400       24.17
  铝      2,735,200   1,121,850       41.02
  铅        155,650      47,625       30.60
  镍        428,640     120,192       28.04
  锡          4,915         705       14.34
  锌        423,725      54,575       12.88
铝合金       16,880          20        0.12