OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on April 2, 2007 made $2 735 for a ton of aluminium, $6 915 for a ton of copper, $1 935 for a ton of lead, $47 600 for a ton of nickel, $13 675 for a ton of tin, $3 205 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 759,5 for a ton of aluminium, $6 850 for a ton of copper, $1 920 for a ton of lead, $45 695 for a ton of nickel, $13 625 for a ton of tin, $3 210 for a ton of zinc.