Product

Lowest price

Highest price

Average price

Fluctuation

Update

Copper

55320

55400

55360

↓-215

2012/7/31

Copper premium/discount

20

100

60

↓-15

2012/7/31

Aluminum

15430

15470

15450

   0

2012/7/31

Aluminum premium/discount

-90

-50

-70

↓-30

2012/7/31

Zinc

14600

14750

14675

↑50

2012/7/31

Zinc premium/discount

-90

60

-15

↑35

2012/7/31

Nickel

116000

117500

116750

↑750

2012/7/31

Tin

143500

144500

144000

↑250

2012/7/31

Lead

15000

15150

15075

   0

2012/7/31