铜        194,375      54,625       28.10
  铝      2,421,500   1,045,375       43.17
  铅        185,650      73,200       39.43
  镍        383,502     118,422       30.88
  锡          6,245       1,380       22.10
  锌        413,675      25,050        6.06
铝合金       12,580         980        7.79