OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on March 14, 2007 made $2 735 for a ton of aluminium, $6 210 for a ton of copper, $1 899 for a ton of lead, $47 400 for a ton of nickel, $13 645 for a ton of tin, $3 224,5 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 725 for a ton of aluminium, $6 185 for a ton of copper, $1 860 for a ton of lead, $44 490 for a ton of nickel, $13 500 for a ton of tin, $3 224,5 for a ton of zinc.