Unit：Dollar/Ton
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latest price off LME sopt/3-month premium and discount 铜 8425.0/8426.0 24 b
Copper 2308.0/2309.0 -27 c
Lead 2315.0/2316.0 -25 c
Zinc 2185.0/2186.0 -16.5 c
Tin 25100.0/25200.0 -5 c
Nickel 21840.0/21850.0 -65 c
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"c "stands for premium
"b"stands for discount