SMM July 30th: today, the spot price of electrolytic copper in Shanghai is quoted as rising water 20 to 90 yuan per ton, leveling copper at 51780 yuan / ton to 51880 yuan / ton, and copper at 51840 yuan / ton to 51940 yuan / ton. Shanghai copper concussion runs on the first line of 51800 yuan / ton. the morning market holder continued yesterday's market situation to open at 30-40 yuan / ton, good copper 80 yuan 90 yuan / ton, transaction response is not positive enough, under the difficulty of improvement, flat copper leading down to rising water 20 yuan / ton, during the period can be reduced to 10 yuan / ton, good copper source is relatively small, the holder suspended price adjustment, the quotation is stable, concentrated transaction in the rising water range of 80 yuan 90 yuan / ton, the price can be reduced to around 10 yuan / ton, the good copper source is relatively small, the holder suspends the price adjustment, the quotation is stable, and the transaction is concentrated in the rising water range of 80,000yuan / ton, during which the price can be reduced to around 10 yuan / ton. Downstream to maintain a rigid demand to buy, store depressed price space, wet discount expansion, quotation discount 70 ~ 50 yuan / ton. In the last two days of the month, the weak transaction has become a trend, and the holder takes the initiative to give way to the transaction, with obvious characteristics at the end of the month.