中煤能源：2月商品煤销量为1651万吨，同比下降5.5%

Group 1 - The core viewpoint of the article is that China Coal Energy (601898.SH) reported a decline in both coal production and sales in February compared to the previous year [1] Group 2 - In February, the company's coal production was 8.91 million tons, representing a year-on-year decrease of 13.0% [1] - Cumulative coal production for the year reached 19.2 million tons, down 11.6% year-on-year [1] - February coal sales amounted to 16.51 million tons, reflecting a year-on-year decline of 5.5% [1] - Cumulative coal sales for the year were 36.56 million tons, which is a decrease of 7.2% year-on-year [1] - The self-produced coal sales in February were 8.65 million tons, down 10.1% year-on-year [1] - Cumulative self-produced coal sales for the year totaled 19.22 million tons, a decrease of 5.3% year-on-year [1]