Czochralski Crystal Puller from China
A Czochralski crystal puller is used to produce extremely pure monocrystalline silicon boules from which semiconductor wafers are sliced, essential for semiconductor device manufacturing. It falls under HTS 8486.20.00.00 as apparatus specifically for the manufacture of semiconductor devices. This machine employs the Czochralski method to grow high-purity crystals used in integrated circuits.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Verify machine specifications match semiconductor manufacturing use to avoid reclassification; provide detailed technical manuals and end-use certificates; ensure cleanroom compatibility certifications for compliance