N-Type Doped Poly Silicon Wafers for Solar Inverters from China
N-type polycrystalline silicon wafers doped for use in power electronics of solar inverters and converters. Falls under HTS 3818.00.0020 as doped discs for electronics, with doping optimized for high-efficiency power switching. Essential for renewable energy infrastructure.
Duty Rate — China → United States
50%
Rate breakdown
9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Declare exact dimensions (e.g
• 156mm x 156mm) and doping type to prevent undervaluation disputes
• Comply with Section 301 tariffs if from China; use bonded warehouses for re-export processing