铜        210,075      63,225       30.10
  铝      2,293,800     960,150       41.86
  铅        187,075      70,650       37.77
  镍        372,954     110,346       29.59
  锡          5,540       1,825       32.94
  锌        431,200      14,975        3.47
铝合金       11,600          20        0.17