DT新材料·2025-12-01 16:04Core Viewpoint - The Ministry of Commerce of China has initiated a final review investigation of anti-dumping measures on imported polyphenylene sulfide (PPS) from Japan, the United States, South Korea, and Malaysia, following a request from Zhejiang Xinheng Special Materials Co., Ltd. [2] Group 1: Anti-Dumping Measures - The Ministry of Commerce announced the initiation of a final review investigation on November 30, 2025, regarding anti-dumping measures applicable to imported PPS from Japan, the United States, South Korea, and Malaysia [2]. - During the investigation period, the anti-dumping duties will continue to be levied according to the rates specified in previous announcements from 2020, 2021, and 2022 [2]. - The anti-dumping tax rates for various companies are as follows: - Japan: 26.9% to 69.1% - United States: 214.1% to 220.9% - South Korea: 26.4% to 32.7% - Malaysia: 40.5% [4] Group 2: Product Description and Applications - Polyphenylene sulfide (PPS) is a high-performance thermoplastic resin characterized by a molecular chain containing phenyl sulfide, known for its excellent properties such as high-temperature resistance, corrosion resistance, radiation resistance, flame retardancy, and electrical insulation [2]. - PPS is widely used in various industries, including textiles, automotive, electronics, machinery, petroleum, chemical, and aerospace [3].