Fundamental analysis:

　　Dec. 28 (Wed.) news: the dollar higher depreciation of the renminbi pressure, the offshore RMB exchange rate approaching 6.98, Shanghai and London than the highest in the night up to 8.24 line. Affected by this combination of factors, LME copper prices finished lower, late to close at 5515.5 US dollars / ton, up 0.84% ？？over the previous day. Shanghai copper main contract 1702 late to close at 45,540 yuan / ton, compared with the previous trading day up 2.71%.

　　Spot surface:

　　Copper and copper stocks to reduce the previous day 3425 tons to 331,100 tons, LME copper canceled warehouse receipts accounted for 36.07%. Domestically, the futures price factors, the Yangtze River spot price of copper copper water premium of 200 yuan / ton, premium copper premium 140 yuan / ton. In this case,

　　8mm copper rod:

　　Compared with the previous trading day up 1.16%, showing a strong upstream shipments will be strong, the price of copper futures trading in the Middle East, , More active transactions. In this case,

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