Czochralski Crystal Puller Compressor from China
A rotary compressor integral to Czochralski crystal pullers used for producing monocrystalline silicon boules in semiconductor wafer manufacturing. Classified under HTS 8414.80.20.55 as it is a rotary compressor not exceeding 186.5 kW, specifically for gas compression in crystal growth processes. Excludes standalone testing apparatus covered in Chapter 90.
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 motor power rating documentation to confirm ≤186.5 kW threshold for this subheading
• Provide detailed technical specs proving semiconductor manufacturing use to avoid reclassification
• Ensure CE marking or equivalent for safety compliance in high-vacuum gas handling systems