Product

Lowest price

Highest price

Average price

Fluctuation

Update

Copper

69300

69450

69375

↑400

2011-5-30

Copper premium/discount

350

450

400

↓-30

2011-5-31

Aluminum

16730

16770

16750

↑60

2011-5-31

Aluminum premium/discount

-55

-15

-35

↑5

2011-5-31

Zinc

17000

17150

17075

↑50

2011-5-31

Zinc premium /discount

-340

-190

-265

↑25

2011-5-31

Nickel

175000

176000

175500

   0

2011-5-31

Tin

205000

209000

207000

   0

2011-5-31

Lead

16200

16400

16300

   0

2011-5-31