铜        346,150      88,650       25.61
  铝      2,099,475     838,575       39.94
  铅        189,800      29,825       15.71
  镍        360,096     116,568       32.37
  锡          3,370       1,990       59.05
  锌        456,275      35,400        7.76
铝合金       13,680          20        0.15