铜        202,150      36,700       18.15 
  铝      2,458,850   1,078,275       43.85 
  铅        185,750      73,450       39.54 
  镍        389,136     115,536       29.69 
  锡          6,305       1,475       23.39 
  锌        383,200      33,475        8.74 
铝合金       13,460       1,860       13.82