Czochralski Crystal Puller Spare Gearbox from China
This precision gearbox is a replacement part for Czochralski crystal pullers used in semiconductor wafer manufacturing to grow monocrystalline silicon boules. It falls under HTS 8475.90.90.00 as a part of machines for hot working glass or glassware, specifically crystal growers for semiconductor processing.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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 part is exclusively for semiconductor crystal growers to avoid reclassification as general machinery parts
• Provide detailed technical specs and end-use certificates to confirm eligibility under statistical notes for semiconductor equipment