Guizhou Panjiang Refined Coal Co.Ltd(600395) release the announcement of main production and operation data. In the fourth quarter of 2021, the coal sales volume was 3145700 tons, with a year-on-year increase of 18.46%. The coal sales revenue was 3.433 billion yuan, a year-on-year increase of 113.36%; The gross profit was 1.14 billion yuan, a year-on-year increase of 129.79%.