铜        221,350      85,850       38.78 
  铝      2,319,150     934,525       40.30 
  铅        187,350      70,925       37.86 
  镍        373,608     112,668       30.16 
  锡          5,970       2,265       37.94 
  锌        436,800      19,550        4.48 
铝合金       11,940         260        2.18