In 2011, prices have rushed high, and in 75000 yuan a ton of DieDang between peaks rise and fall. Use a substitute for aluminum to replace copper phenomenon in electrical industry arise, and form a kind of trend nots allow to ignore. In the transformer industry of transformer appeared in aluminium wire, wire and cable industry in appear in the copper or aluminum bag copper-coated aluminum wire and cable, that is a good example. Analysis of the personage inside course: when the copper price is higher than 75000 yuan a ton on the level of operation, copper demand for alternative will rising; And when prices fall to $65000 per ton, copper demand for alternative would be reduced. But, many experts also point out that the copper is a non-renewable resources,booster cable...