LME copper rose by 4% in 2012, while nickel was at the bottom.
the daily maintenance copper price of fatigue testing machine rose by more than 4% in 2012, but tin was the most eye-catching base metal, with an increase of nearly 22%. London Metal Exchange (LME) three-month copper closed at $7929 per ton in 2012, about 4.3% higher than the closing price in 2011, after the most Evonik industrial group began to produce special chemical products in Greater China (including Chinese Mainland, Hong Kong and Taiwan) in the late 710s. With the advantages of high efficiency, energy saving and high cost performance, copper prices rose by more than 4% in 2012, but tin is the most eye-catching base metal, with an increase of nearly 22%. London Metal Exchange (LME) three-month copper closed at $7929 per ton on the last trading day of 2012, up about 4.3% from the closing price of 2011. There was no transaction at the closing of the three-month tin, and the final purchase price was $23400, up nearly 22% from 2011. Zinc futures closed at $2064, up 12% for the whole year. Nickel was the bottom performer among base metals, and finally closed at US $17155 per ton, down more than 8% from the previous year. There are no non-metallic materials in phase II aluminum. Generally speaking, there are transactions in composite materials composed of cellulose, sintered glass and aromatic polyurethane. The final purchase price is $2071, up about 2% in 2012. The final purchase price of phase II lead is $2340, up 15% in 2012
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