铜        154,675      36,350       23.50 
  铝      2,639,075   1,172,650       44.43 
  铅        174,325      78,250       44.89 
  镍        417,504     129,366       30.99 
  锡          5,690         595       10.46 
  锌        401,800      35,175        8.75 
铝合金       16,840       2,180       12.95