Hydro delayed the recovery of production capacity, and global alumina supply is tight. In terms of news, Hydro said last Tuesday that the time to restart full production is still uncertain. The company is currently considering closing the third of the seven production lines of the plant, and this move will be postponed for one or two months. Fully put into production. In the announcement of its results on Wednesday, Hydro said that it is likely to resume full capacity at the beginning of October, and its production may be limited to the middle of next year. Global alumina supply is still in short supply, and the domestic alumina export window is still open, which supports the price of alumina, which is good for aluminum prices.