中钢协统计数据显示：一季度钢铁行业经济效益有所改善

Group 1 - The core viewpoint of the articles indicates that the steel industry in China is experiencing a mixed performance in the first quarter of the year, with improved profitability but ongoing challenges in supply and demand dynamics [1][2] - In the first quarter, key steel enterprises reported a total operating revenue of 1,436 billion yuan, a year-on-year decrease of 6.61%, while operating costs were 1,350.5 billion yuan, down 7.73% [1] - Total profit reached 21.583 billion yuan, reflecting a year-on-year increase of 108%, with an average profit margin of 1.50%, up 0.82 percentage points compared to the previous year [1] Group 2 - Steel inventory levels have decreased significantly, with a reported inventory of approximately 15.23 million tons in late March, down 17.4% year-on-year, and social inventory in 21 cities for five major steel products at 10.36 million tons, down 24.6% year-on-year [1] - Despite the improvement in enterprise profitability, the apparent consumption of crude steel continues to decline, indicating a persistent oversupply situation in the market [1][2] - The steel industry is urged to establish a new capacity governance mechanism to address supply-demand imbalances, with the Ministry of Industry and Information Technology working on revising the capacity replacement implementation measures [2]