OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on February 7, 2007 made $2 768.5 for a ton of aluminium, $5 330 for a ton of copper, $1 584 for a ton of lead, $38 900 for a ton of nickel, $11 950 for a ton of tin, $3 132 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 653 for a ton of aluminium, $5 380 for a ton of copper, $1 545 for a ton of lead, $35 350 for a ton of nickel, $11 775 for a ton of tin, $3 120 for a ton of zinc.