铜        270,850      99,650      36.79
  铝      2,105,350     762,075      36.20
  铅        187,500      31,175      16.63
  镍        364,410     122,760      33.69
  锡          3,100       1,730      55.81
  锌        446,650      73,525      16.46
铝合金       13,680          20       0.15