铜        261,975     107,900     41.19
  铝      2,117,875     819,050     38.67
  铅        189,725      69,425     36.59
  镍        381,096     108,654     28.51
  锡          5,320       1,410     26.50
  锌        386,025     177,775     46.05
铝合金       13,280         960      7.23