OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on February 21, 2007 made $2 745,5 for a ton of aluminium, $5 610 for a ton of copper, $1 865 for a ton of lead, $42 685 for a ton of nickel, $13 845 for a ton of tin, $3 232 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 716,5 for a ton of aluminium, $5 661 for a ton of copper, $1 819 for a ton of lead, $39 475 for a ton of nickel, $13 790 for a ton of tin, $3 265,5 for a ton of zinc.