单位:公吨
--------------------------------------
金属        总存量        涨跌
铜         218,700        -3,650
铝       5,058,625        +1,050
铝合金      91,220        +15,820
铅          309,875        -1,100
锌        1,145,925        +35,950
锡           11,740        -20
镍          128,718        +804
--------------------------------------