SMM, May 13: the current contract of electrolytic copper in North China today rose by 50 yuan / ton to 100 yuan / ton, and the transaction price was 43100 yuan / ton to 43280 yuan / ton. Into May, North China copper rod processing orders are poor, copper rod processing fees as a result of the decline compared with the previous high of 900 yuan / ton fell back to 700 yuan / ton; the disk fell, but the downstream demand did not improve, smelters and traders shipping difficulties, but also showed that the price delivery, today's quotation rose 50 ~ 100 yuan / ton, the average price of discount water decreased by 10 yuan / ton compared with yesterday.