铜        238,625      41,500       17.39
  铝      2,864,850   1,049,575       36.64
  铅        191,075     110,200       57.67
  镍        437,040     181,248       41.47
  锡          6,295         585        9.29
  锌        452,475      49,200       10.87
铝合金       15,200          20        0.13