铜        348,575     104,725       30.04
  铝      2,147,350     805,575       37.51
  铅        189,725      34,075       17.96
  镍        362,826     115,932       31.95
  锡          2,960       1,470       49.66
  锌        455,100      34,000        7.47
铝合金       13,680          20        0.15