铜        350,600      47,975       13.68
  铝      2,196,350     899,550       40.96
  铅        187,850      66,250       35.27
  镍        367,932     122,748       33.36
  锡          4,290       1,220       28.44
  锌        448,750      21,975        4.90
铝合金       11,680          20        0.17