铜        184,850      45,875       24.82
  铝      2,859,150     598,275       20.92
  铅        203,800     102,825       50.45
  镍        427,248     143,832       33.66
  锡          3,720         395       10.62
  锌        468,275      67,475       14.41
铝合金       16,100          20        0.12