New Czochralski Crystal Puller from China
A Czochralski method crystal grower and puller used to produce extremely pure monocrystalline silicon boules from molten semiconductor material, from which wafers are sliced for semiconductor fabrication. Classified under HTS 8439.10.0010 as new machinery for making pulp of fibrous cellulosic material in the context of semiconductor wafer boule production. It precisely controls pulling speed and temperature for defect-free crystals.
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 equipment qualifies under statistical notes for semiconductor wafer manufacturing; provide technical specs and end-use certificates
• Ensure 'new' status with manufacturer affidavits to avoid used machinery rates
• Common pitfall: misclassification as testing apparatus in Chapter 90