Czochralski Crystal Puller for Wafer Production from China
This precision machine pulls monocrystalline silicon boules from molten silicon using the Czochralski method, essential for semiconductor wafer manufacturing. It falls under HTS 8431.10.00 as a part of semiconductor processing machinery classified in heading 8425 (pulley tackle and hoists). The statistical notes confirm crystal growers and pullers are included in wafer manufacturing equipment.
Duty Rate — China → United States
35%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Verify the equipment is solely for heading 8425 machinery via technical specs to avoid misclassification as general 8431 parts
• Provide detailed documentation proving semiconductor end-use, including boule purity specs, for statistical note compliance