铜        236,725      40,675       17.18
  铝      2,859,325   1,044,050       36.51
  铅        190,450     109,575       57.53
  镍        437,334     181,956       41.61
  锡          6,115         580        9.48
  锌        449,975      46,700       10.38
铝合金       15,200          20        0.13