OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on February 28, 2007 made $2 887 for a ton of aluminium, $5 970 for a ton of copper, $1 909,5 for a ton of lead, $44 400 for a ton of nickel, $13 545 for a ton of tin, $3 465 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 828 for a ton of aluminium, $6 066 for a ton of copper, $1 850 for a ton of lead, $40 900 for a ton of nickel, $13 375 for a ton of tin, $3 440,5 for a ton of zinc.