Product
Lowest price
Highest price
Average price
Fluctuation
Update
Copper
55970
56020
55995
↑170
2012/5/18
Copper premium/discount
200
250
225
0
Aluminum
15980
16020
16000
↑30
Aluminum premium/discount
-40
-20
↑10
Zinc
14750
14900
14825
Zinc premium/discount
-150
-75
Nickel
125000
127000
126000
Tin
154000
156500
155250
↓-250
Lead
15200
15300
15250
↓-50