铜        239,400      71,625       29.92
  铝      2,795,825     889,775       31.83
  铅        188,125      90,650       48.19
  镍        446,676     169,740       38.00
  锡          5,470       1,410       25.78
  锌        472,050      98,750       20.92
铝合金       15,400          20        0.13