SMM May 18: today, the spot price of electrolytic copper in North China is quoted as 200 yuan / ton ~ 230 yuan / ton for that month's contract, with a transaction price of 43260 yuan / ton ~ 43530 yuan / ton. After opening low in the morning market in Shanghai, copper rose directly back to around 43300 yuan / ton. today, it quoted prices for 2006 contracts, smelters and traders held firm, and the spot quotation strongly returned to the top of 200 yuan / ton, and the high price was around 250 yuan / ton. the trading performance of the high rising water is average, and it is mainly needed downstream.