铜        235,525      40,075       17.02
  铝      2,852,500   1,037,225       36.36
  铅        190,200     109,325       57.48
  镍        436,704     180,750       41.39
  锡          6,090         555        9.11
  锌        448,075      46,050       10.28
铝合金       15,200          20        0.13