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However, the recent trend of copper, last Friday the London Metal Exchange (LME) copper prices in March was broken up important support at 8,100 U.S. dollars, but the closing price of the anti-up or not, once again shows that the May 2006 of 8,800 U.S. dollars and October 2007 of 8,320 U.S. dollars a connection support at the important role. Although the system of pre-average copper prices has become a serious repression, but the extent of downward adjustment in prices is not large, there is no obvious trend impact. From the short-term trend, since copper prices in 8100 U.S. dollars on several occasions supported, and the fundamentals are there has been no significant deterioration, and the high international crude oil prices continue, the dollar's recent fall again, longs to Tongshi increased confidence, although Bulls from the main force pushing up prices, but prices for the maintenance of these factors have a role. Last Friday the Shanghai Stock Exchange copper inventories brass ball valve fell 5,000 tons, but Monday the domestic prices did not increase the amount of spot copper prices in Shanghai have not much improvement, price or not, but maintained a slight premium status. Despite a consumption peak season, but always in such a spot prices vulnerable, futures prices are not many supporting role. Chilean state copper giant Codelco said Monday, the world's largest underground copper mine has resumed normal operations. Prior to landslides triggered by heavy rain forced brass ball valve its shutdown for two days. Chile since last Friday in several landslides, blocked the road leading to El Teniente. Codelco spokesman said the mine had resumed operations Sunday afternoon, but the company's all other departments in normal operation. El Teniente copper mine is located in the Andes, from about 50 miles south of Santiago, with an annual output of copper to 420,000 tons. Yield, Japan Copper and Brass Association Monday announced the preliminary data, seasonally adjusted, Japan in April rolled copper products output was 82,533 tons, representing a 1.7 percent decline in March. 4 per month than the 0.1 percent growth in the same period last year. The Government of India said in a statement, India in April this year, copper production to 53,562 tons, higher than the same period last year 50,616 tons. Other areas, the Mexican National Mining a metal workers union officials claimed that union members began a strike on the 26th in one day to ask the Government to the labour brass ball valve authorities to recognize Napoleon Gomez Urrutia was re-elected as trade union leaders. brass ball valve