OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on March 28, 2007 made $2 710 for a ton of aluminium, $6 730 for a ton of copper, $1 937 for a ton of lead, $45 510 for a ton of nickel, $14 535 for a ton of tin, $3 196,5 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 740 for a ton of aluminium, $6 700 for a ton of copper, $1 915 for a ton of lead, $43 850 for a ton of nickel, $14 540 for a ton of tin, $3 200 for a ton of zinc.