------------------Unit£ºDollar/Ton-------------------------------
     latest price off LME     sopt/3-month premium and discount 
Copper   9220.0/9225.0               67       b
Aluminium 2331.0/2335.0              -18       c
Lead   2435.0/2440.0              -14       c
Zinc   2321.0/2322.0               -6       c
Tin 26100.0/26150.0              75       b
Nickel  24515.0/24530.0             -50       c
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"c "stands for premium

"b"stands for discount