8411.99.90/Czochralski Crystal Puller/China

Czochralski Crystal Puller from China

A Czochralski crystal puller is a specialized gas turbine-powered apparatus used to grow monocrystalline silicon boules from molten semiconductor material by precisely controlling rotation and pulling speed. It falls under HTS 8411.99.90 as a part of other gas turbines employed in semiconductor manufacturing for wafer production. The turbine provides the high-precision rotational drive essential for crystal growth.

Duty Rate — China → United States

37.4%

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]
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Import Tips

• Obtain end-use certification proving semiconductor manufacturing application to avoid reclassification to general machinery

• Include detailed technical specs showing gas turbine integration and wafer boule production role in commercial invoice

• Verify compliance with export controls (EAR/ITAR) as crystal growers often contain controlled precision components