Product
Lowest price
Highest price
Average price
Fluctuation
Update
Copper
55300
55400
55350
↓-760
2012/5/31
Copper premium/discount
170
240
205
↑25
Aluminum
15930
15970
15950
↓-10
Aluminum premium/discount
-20
20
0
↑10
Zinc
14600
14750
14675
↓-100
Zinc premium/discount
-185
-35
-110
Nickel
122000
124500
123250
↓-2250
Tin
154000
155000
154500
↓-250
Lead
15100
15200
15150
↓-25