铜        339,950     102,425       30.13
  铝      2,182,275     812,500       37.23
  铅        188,925      33,275       17.61
  镍        363,288     125,316       34.49
  锡          2,960       1,610       54.39
  锌        454,100      64,575       14.22
铝合金       13,680          20        0.15