铜        234,825      90,600       38.58
  铝      2,149,150     760,925       35.41
  铅        187,725      45,075       24.01
  镍        366,834     125,670       34.26
  锡          3,105       1,305       42.03
  锌        442,400      74,550       16.85
铝合金       13,620          20        0.15