The results show that China's imports of uncalcined copper and copper material, glass curtain wall aluminum copper concentrate in November also hit a new monthly summary record, indicating that in November copper prices continued to decline in the cycle time, there are bargains in the sales market. In the affirmative price at the bottom of the year, and Yangshan copper equity premium fell through the 70 Hong Kong dollars mark, and imported copper concentrate TC continues to operate in the $100 above the two-way price to attract live, The Chinese sales market released certain stocking requirements. And the inventory level, although since September gradually imported not calcined copper and copper materials continue to operate in the relative low level of more than 400,000 tons, and bonded warehouse inventory since June into the downward xiaoqiao? Road later, in September gradually oversold rebound, but aluminum 2020 did not open a new round of obvious inventory growth momentum. On the whole, bonded warehouse inventory and Shanghai futures trading tax inventory is still in the year relative low value. It is not difficult to see that the increase of import volume in the cycle time at the end of the year has not been completely converted into inventory to produce supply pressure, and it is estimated that there is a demand of the terminal equipment market.