OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on April 16, 2007 made $2 810 for a ton of aluminium, $7 959,5 for a ton of copper, $2 045 for a ton of lead, $50 100 for a ton of nickel, $14 475 for a ton of tin, $3 518 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 845 for a ton of aluminium, $7 885 for a ton of copper, $2 030 for a ton of lead, $47 650 for a ton of nickel, $14 350 for a ton of tin, $3 539 for a ton of zinc.