SMM, April 7: the current contract of electrolytic copper in North China today rose by 100 yuan / ton to 160 yuan / ton, and the transaction price was 40770 yuan / ton to 40960 yuan / ton. Shanghai copper jump high open 40, 000 yuan to 40700 yuan / ton line, copper futures rose by more than 1, 000 yuan. Smelters and traders maintain a strong up quotation, overreported water more than 200 yuan / ton, but it is difficult to close a deal, generally quoted water 100 yuan / ton ~ 160 yuan / ton basically have transactions. Due to the epidemic situation, the import of waste copper is blocked, and the supply of waste copper is still relatively tight. A number of waste enterprises turn to electrolytic copper materials, which is also one of the factors leading to a rise in the market.