Core Viewpoint - The establishment and release of the synthetic rubber prosperity index by the China Synthetic Rubber Industry Association and Longzhong Information marks a significant advancement in monitoring the industry's economic conditions, providing decision-making references for market participants [1][2] Group 1: Synthetic Rubber Prosperity Index - The synthetic rubber prosperity index is based on multidimensional core data including supply and demand dynamics, market price fluctuations, enterprise profitability levels, and changes in industry expectations [1] - The index integrates key information from production, inventory, distribution, sales, profits, and expectations to reflect the supply-demand balance in the domestic synthetic rubber market [1] - The index has shown a downward trend since July 2025, but began to recover in December 2025 as industry profits, supply, and distribution exhibited stable growth [1] Group 2: Industry Transition and Challenges - The synthetic rubber industry is at a critical juncture transitioning from traditional energy chemicals to high-end new materials, impacting the safety and innovation of raw materials for emerging strategic industries such as new energy vehicles, rail transportation, aerospace, and biomedical sectors [2] - The release of the industry index is seen as a necessary response to the demand for data-driven decision-making and governance reform, marking a new phase in the industry's pursuit of high-quality development [2] - Despite challenges such as "anti-involution" and "anti-dumping" affecting the synthetic rubber industry in 2025, production capacity and output have reached record high levels, with the styrene-butadiene rubber sector showing promising profit trends and maintaining high supply levels [2]