铜        331,450     120,425       36.33
  铝      2,148,350     778,075       36.22
  铅        188,300      33,075       17.57
  镍        362,250     125,664       34.69
  锡          2,905       1,775       61.10
  锌        451,600      63,225       14.00
铝合金       13,680          20        0.15