铜        369,075      75,375       20.42
  铝      2,133,625     866,675       40.62
  铅        191,000      65,800       34.45
  镍        361,884     112,680       31.14
  锡          3,460       1,835       53.03
  锌        440,650      27,875        6.33
铝合金       13,680          20        0.15