铜        239,400      73,650       30.76
  铝      2,136,300     786,150       36.80
  铅        187,825      30,175       16.07
  镍        367,950     127,494       34.65
  锡          3,070       1,570       51.14
  锌        444,550      75,725       17.03
铝合金       13,620          20        0.15