铜        202,375      53,975       26.67
  铝      2,232,425     952,325       42.66
  铅        187,525      69,025       36.81
  镍        369,222     111,000       30.06
  锡          5,065       1,510       29.81
  锌        458,275      25,125        5.48
铝合金       11,420          20        0.18