铜        326,400     133,425       40.88
  铝      2,143,500     771,300       35.98
  铅        189,150      32,825       17.35
  镍        361,710     123,780       34.22
  锡          2,895       1,765       60.97
  锌        451,425      63,050       13.97
铝合金       13,680          20        0.15