国际铝业协会：4月全球氧化铝产量为1240.7万吨

Group 1 - The International Aluminium Institute (IAI) reports that global alumina production is projected to reach 12.407 million tons in April 2025, with a daily average production of 413.6 thousand tons, showing a slight increase from the previous month [1] - China's estimated alumina production for April 2025 is 7.384 million tons, which represents a decrease compared to the previous month [1]