铜        203,700      41,400       20.32
  铝      2,789,150     740,150       26.54
  铅        219,100      95,650       43.66
  镍        435,396     169,854       39.01
  锡          3,850         560       14.55
  锌        498,175      82,225       16.51
铝合金       15,600          20        0.13