Product
Lowest Price
Highest Price
Average Price
Fluctuation
Update
Copper
43600
43680
43640
↓-415
2015/4/21
Premium/Discount
100
150
125
↑30
Aluminum
12950
12990
12970
↓-50
-135
-95
-115
↓-40
Zinc
16220
16370
16295
↓-170
-170
-20
↑40
Nickel
93600
95100
94350
↑750
Tin
110000
113000
111500
↓-500
Lead
13450
13600
13525