染料行业更新：供给端趋紧态势延续，重视H酸与活性染料弹性

Investment Rating - The industry investment rating is "Outperform the Market" (maintained) [2] Core Viewpoints - The H-acid market is experiencing significant price increases, with a current price of 41,750 RMB/ton, reflecting a month-on-month increase of 3.09% and a year-on-year increase of 22.79%, marking a three-year high [4][6] - The active dye market price is currently 23 RMB/kg, with a month-on-month increase of 4.55% and a year-on-year increase of 9.52% [4][6] - The H-acid industry faces long-term supply-demand gaps due to environmental pressures, leading to the elimination of many small producers and a gradual increase in industry concentration [6] Summary by Sections Market Performance - The report indicates a market performance trend with a range from -22% to +22% for the period from June 2024 to February 2025 [3] Industry Dynamics - H-acid is a key intermediate for producing over 90 types of dyes, which are essential for dyeing wool and cotton fabrics, as well as for pharmaceutical production [6] - The production of H-acid generates complex and toxic wastewater, leading to high treatment costs and significant environmental pressures [6] - As of May 2025, the effective domestic production capacity of H-acid is less than 60,000 tons, indicating a supply gap of over 10% [6] Price Trends - The price of H-acid has been rising, which supports the upward price trend of active dyes, as H-acid constitutes 30-50% of the production cost of active dyes [6] - The active dye industry in China has a high concentration, with a CR4 of 64.91%, suggesting that leading companies have a strong pricing power [6] Recommended Stocks - The report suggests focusing on the following companies: Jinchicken Co., Jihua Group, Runtu Co., Haisheng Pharmaceutical, and Zhejiang Longsheng [6]