Czochralski Crystal Puller from China

A machine used to grow monocrystalline silicon boules by pulling a seed crystal from molten silicon in a controlled temperature environment. It falls under HTS 8419.89.95.85 as semiconductor manufacturing equipment for crystal growth involving precise heating and cooling processes on semiconductor materials classified as 'other materials'.

Duty Rate — China → United States

39.2%

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
9903.88.0225%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)

Import Tips

Verify equipment is specifically for semiconductor crystal growth to qualify under statistical note; general lab heaters go elsewhere

Include detailed technical specs and end-use certification to avoid misclassification as Chapter 84 lab equipment