OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on March 27, 2007 made $2 715 for a ton of aluminium, $6 850 for a ton of copper, $1 903 for a ton of lead, $45 500 for a ton of nickel, $14 585 for a ton of tin, $3 245 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 739,5 for a ton of aluminium, $6 829 for a ton of copper, $1 889 for a ton of lead, $43 100 for a ton of nickel, $14 525 for a ton of tin, $3 245 for a ton of zinc.