OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on February 27, 2007 made $2 887 for a ton of aluminium, $6 180 for a ton of copper, $1 942 for a ton of lead, $44 495 for a ton of nickel, $13 750 for a ton of tin, $3 515 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 855 for a ton of aluminium, $6 190 for a ton of copper, $1 899,5 for a ton of lead, $41 100 for a ton of nickel, $13 700 for a ton of tin, $3 521,5 for a ton of zinc.