铜        272,150      80,525      29.59
  铝      2,284,725     658,800      28.83
  铅        194,975      69,000      35.39
  镍        375,504     112,746      30.03
  锡          4,605         320       6.95
  锌        410,025     138,950      33.89
铝合金       13,280          20       0.15