铜        307,075     102,875       33.50
  铝      2,117,500     669,375       31.61
  铅        187,075      47,675       25.48
  镍        371,286     132,636       35.72
  锡          3,415         995       29.14
  锌        430,950      96,300       22.35
铝合金       13,580         740        5.45