铜        345,800      98,325       28.43
  铝      2,083,250     822,350       39.47
  铅        189,800      29,825       15.71
  镍        362,478     115,356       31.82
  锡          3,250       1,870       57.54
  锌        455,650      34,775        7.63
铝合金       13,680          20        0.15