OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on February 20, 2007 made $2 799,5 for a ton of aluminium, $5 681 for a ton of copper, $1 844 for a ton of lead, $42 860 for a ton of nickel, $13 550 for a ton of tin, $3 320 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 754 for a ton of aluminium, $5 730 for a ton of copper, $1 790 for a ton of lead, $39 800 for a ton of nickel, $13 425 for a ton of tin, $3 347 for a ton of zinc.