铜        207,300      48,100       23.20
  铝      2,488,325   1,101,175       44.25
  铅        185,400      73,550       39.67
  镍        395,514     122,316       30.93
  锡          6,730       1,690       25.11
  锌        382,150      30,175        7.90
铝合金       13,940       2,340       16.79