Czochralski Crystal Puller Spindle Assembly from Mexico
This precision-engineered spindle assembly is a critical part of Czochralski crystal pullers used to grow monocrystalline silicon boules for semiconductor wafers. It falls under HTS 8479.90.95.65 as a part of machines for treating metal, specifically semiconductor manufacturing equipment that processes high-purity metal like silicon.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify the part is specifically for semiconductor crystal growers and provide manufacturer specs linking to Czochralski process
• Include detailed technical drawings showing compatibility with wafer manufacturing equipment to avoid misclassification
• Ensure documentation proves the machine's primary function is treating semiconductor metals like silicon