铜        254,725     110,900     43.54
  铝      2,245,400     589,650     26.26
  铅        188,900      66,600     35.26
  镍        383,244     115,110     30.04
  锡          5,860         310      5.29
  锌        385,225     112,150     29.11
铝合金       13,280         440      3.31