Product

Lowest price

Highest price

Average price

Fluctuation

Update

Copper

71900

72000

71950

↓-125

2011-7-21

Copper premium/discount

-200

-100

-150

↑150

2011-7-22

Aluminum

17750

17790

17770

↑20

2011-7-22

Aluminum premium/discount

50

90

70

↑15

2011-7-22

Zinc

18150

18300

18225

   0

2011-7-22

Zinc premium/discount

-520

-370

-445

↑40

2011-7-22

Nickel

174500

175500

175000

↓-500

2011-7-22

Tin

204000

206000

205000

↑1000

2011-7-22

Lead

17000

17200

17100

↓-50

2011-7-22