Product
Price
Average price
Fluctuation
Date
1# copper
May 19
Premium /discount
(premium)200-(premium )300
250
-100
10:30
A00aluminum
16540-16570
16555
-10
May 18
1# lead
16000-16200
16100
200
0# zinc
16700-16800
16750
150
1# tin
208000-212500
210250
-500
1# nickel
184500-185500
185000
1000