Unit£ºDollar/Ton
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    latest price off LME      sopt/3-month premium and discount
Copper  7490.0/7491.0        -37        c
Aluminum  2145.0/2150.0        -32        c
Lead 2299.5/2300.0        -28        c
Zinc  2360.0/2361.0        -34        c
Tin18545.0/18550.0       -70        c
Nickel 25900.0/25925.0       -60        c
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c stands for premium
b stands for discount