OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on March 29, 2007 made $2 713 for a ton of aluminium, $6 710 for a ton of copper, $1 910 for a ton of lead, $45 550 for a ton of nickel, $13 375 for a ton of tin, $3 195,5 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 755 for a ton of aluminium, $6 699,5 for a ton of copper, $1 904,5 for a ton of lead, $43 845 for a ton of nickel, $13 350 for a ton of tin, $3 200 for a ton of zinc.