During the Reporting Period, the total amount of industrial solid wastes generated by Chalco was produced per RMB10,000 of production value was 3.7 metric tons, in which the total amount of fly ash generated was 4,945,633 metric tons with 3,279,997 metric tons reused; the total amount of slag production was 1,411,571 metric tons with 1,011,814 metric tons reused; the total amount of red mud production was 23,449,705 metric tons with 1,930,890 metric tons reused.