铜        237,075      36,150       15.25
  铝      2,906,925   1,090,650       37.52
  铅        191,675     111,075       57.95
  镍        445,368     169,584       38.08
  锡          6,495         780       12.01
  锌        468,475      62,025       13.24
铝合金       14,920          20        0.13