OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on March 23, 2007 made $2 761,5 for a ton of aluminium, $6 851 for a ton of copper, $1 940 for a ton of lead, $45 605 for a ton of nickel, $13 350 for a ton of tin, $3 210 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 769,5 for a ton of aluminium, $6 790 for a ton of copper, $1 925 for a ton of lead, $44 490 for a ton of nickel, $14 325 for a ton of tin, $3 225 for a ton of zinc.