Product
Price
Average price
Fluctuation
Date
1# copper
May 18
Premium/discount
(premium )300-(premium)400
350
-75
10:30
A00aluminum
16550-16580
16565
-20
May 17
1# lead
15800-16000
15900
100
0# zinc
16550-16650
16600
200
1# tin
208000-213500
210750
-750
1# nickel
183500-184500
184000
1000