铜        372,225      80,125       21.53
  铝      2,124,400     858,450       40.41
  铅        190,450      65,650       34.47
  镍        361,794     112,038       30.97
  锡          3,460       1,835       53.03
  锌        439,350      26,575        6.05
铝合金       13,680          20        0.15