KAIYUAN SECURITIES·2025-12-17 03:16Investment Rating - The industry investment rating is "Positive" (maintained) [1] Core Viewpoints - The report highlights that the anti-aging additive manufacturers are raising prices by approximately 10% due to the ongoing recovery of the industry and the optimization of market structure [4] - The demand for anti-aging additives is expected to grow steadily, driven by the development of the polymer materials market, which is closely linked to the production of plastics, synthetic fibers, and adhesives [5] - The report emphasizes that the domestic rectification of "involution-style" competition is gradually deepening, which is expected to help the industry recover from its current low point [4] Summary by Sections Industry Overview - The anti-aging additives are primarily categorized into antioxidants and light stabilizers, with antioxidants further divided into general-purpose (GAO) and specialized (SAO) types [5] - The production of primary plastics, plastic products, synthetic rubber, and chemical fibers in China is projected to reach 127.52 million tons, 77.08 million tons, 9.22 million tons, and 79.11 million tons respectively in 2024, with compound annual growth rates of 5.9%, -1.2%, 4.7%, and 5.9% from 2019 to 2024 [5] Demand and Supply Dynamics - The report indicates that the average gross profit margins for four major companies in the antioxidant and light stabilizer sectors are projected to decline in 2024, with margins of 16.4%, 26.9%, and 19.8% respectively [4] - The supply side features large domestic companies with independent R&D capabilities, such as Li'anlong and Fengguang, which have production capacities exceeding 20,000 tons per year [5] Price Trends - The average selling prices of antioxidants and light stabilizers have been on a downward trend since 2025, with specific price points for various products detailed in the report [11] - The report notes that the average selling price of antioxidant single agents has decreased from 2.50 million yuan/ton in Q4 2022 to 0.57 million yuan/ton in Q3 2025 [11] Financial Performance - The report provides financial data for key companies, indicating that Li'anlong's revenue from antioxidants was 1.60 billion yuan in 2023, with a gross margin of 17.1% [10] - The average gross profit margin for the anti-aging additive sector is expected to further decline to 3.8% in the first half of 2025 [10]