铜        344,025     119,100       34.62
  铝      2,109,450     659,425       31.26
  铅        184,225      44,525       24.17
  镍        371,616     125,934       33.89
  锡          3,490         930       26.65
  锌        429,075      94,775       22.09
铝合金       13,200         360        2.73