铜        218,300      49,500       22.68
  铝      2,747,650     766,100       27.88
  铅        181,400      96,150       53.00
  镍        439,116     162,480       37.00
  锡          4,265         870       20.40
  锌        458,725      90,850       19.80
铝合金       15,400          20        0.13