铜        253,700      73,275       28.88
  铝      2,157,600     783,500       36.31
  铅        188,850      31,200       16.52
  镍        365,874     125,574       34.32
  锡          3,115       1,645       52.81
  锌        445,275      74,800       16.80
铝合金       13,680          80        0.58