铜        351,500      52,875       15.04
  铝      2,179,000     883,200       40.53
  铅        187,850      66,300       35.29
  镍        367,812     117,894       32.05
  锡          3,965         895       22.57
  锌        446,675      25,325        5.67
铝合金       11,680          20        0.17