TYN(SZ:000591) Hua Xia Shi Bao·2026-01-13 16:38Core Viewpoint - The Ministry of Commerce of China has announced the final review ruling on anti-dumping measures applicable to imported solar-grade polysilicon from the United States and South Korea, deciding to continue imposing anti-dumping duties for another five years starting January 14, 2026, due to potential continued or renewed dumping and damage to China's solar-grade polysilicon industry [1][5][6]. Group 1: Anti-Dumping Measures - The Ministry of Commerce determined that if the anti-dumping measures are terminated, the dumping of solar-grade polysilicon from the U.S. and South Korea may continue or reoccur, potentially causing further damage to China's solar-grade polysilicon industry [5][6]. - The anti-dumping duties will be imposed at rates of 53.3% to 57% for U.S. companies and 2.4% to 113.8% for South Korean companies, as established in previous announcements [4][10]. Group 2: Historical Context - The initial anti-dumping duties were imposed on January 20, 2014, with a five-year implementation period, and have been reviewed and adjusted multiple times since then, including significant adjustments in 2017 and 2020 [4][5]. - The latest review was initiated on January 14, 2025, at the request of China's solar-grade polysilicon industry [4]. Group 3: Product Description - The investigated product is solar-grade polysilicon, produced using chlorosilane as raw material through processes such as the improved Siemens method and silane method, primarily used for manufacturing crystalline silicon photovoltaic cells [8][9].