铜        263,875      50,425       19.11
  铝      2,253,775     916,775       40.68
  铅        187,300      67,850       36.23
  镍        372,414     112,884       30.31
  锡          4,530       1,580       34.88
  锌        455,075      26,150        5.75
铝合金       11,780         120        1.02