Czochralski Crystal Puller Attachment Kit from China

This specialized attachment kit is designed for use with crystal growing machines in semiconductor wafer manufacturing, enabling the Czochralski method to produce monocrystalline silicon boules. It falls under HTS 8466.30.60.85 as a special attachment for machines of heading 8461 used in semiconductor processing.

Duty Rate — China → United States

37.9%

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 compatibility with specific crystal grower models from headings 8456-8465 via manufacturer specs

Include detailed technical documentation proving sole use in semiconductor material growth to avoid misclassification

Watch for pitfalls in declaring as general machine parts; statistical notes require semiconductor-specific end-use proof