Czochralski Crystal Puller from China
A specialized vacuum pump-equipped machine used to grow monocrystalline silicon boules from molten semiconductor material via the Czochralski method. It falls under HTS 8414.80.90.00 as an 'other' air or vacuum pump system dedicated to semiconductor manufacturing processes. The integrated vacuum system maintains the controlled environment necessary for crystal purity.
Duty Rate — China → United States
41.2%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Obtain end-use certification proving semiconductor manufacturing application to avoid reclassification
• Include detailed technical specs showing vacuum pump integration in import documentation
• Verify compliance with semiconductor equipment export controls from origin country