Czochralski Crystal Puller Motor from China
This electric motor powers the rotation and pulling mechanism in Czochralski crystal growers used to produce monocrystalline silicon boules for semiconductor wafers. It falls under HTS 8412.90.90 as a part of other engines and motors designed for precise control in semiconductor manufacturing equipment. The motor's high-torque, low-speed design ensures stable crystal growth processes.
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
9903.88.0325%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)
Import Tips
• Verify motor specifications match semiconductor equipment use via technical datasheets; obtain end-user certificates for duty-free claims under semiconductor provisions; avoid misclassification as general industrial motors by documenting boule-pulling application