OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on March 15, 2007 made $2 800 for a ton of aluminium, $6 445 for a ton of copper, $1 940 for a ton of lead, $49 200 for a ton of nickel, $13 900 for a ton of tin, $3 294,5 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 764,5 for a ton of aluminium, $6 380 for a ton of copper, $1 908 for a ton of lead, $46 185 for a ton of nickel, $13 750 for a ton of tin, $3 290 for a ton of zinc.