OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on January 31, 2007 made $2 822 for a ton of aluminium, $5 650,5 for a ton of copper, $1 729 for a ton of lead, $39 050 for a ton of nickel, $12 300 for a ton of tin, $3 435 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 728 for a ton of aluminium, $5 690 for a ton of copper, $1 694,5 for a ton of lead, $36 350 for a ton of nickel, $12 195 for a ton of tin, $3 440 for a ton of zinc.