8413.81.00/Czochralski Crystal Puller Pump/China

Czochralski Crystal Puller Pump from China

This pump is integral to Czochralski crystal growers used in semiconductor manufacturing to produce monocrystalline silicon boules from which wafers are sliced. It circulates molten silicon precisely during the pulling process to ensure crystal purity and uniformity. Classified under HTS 8413.81.00 as an other pump for liquids fitted for specialized semiconductor material processing.

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]
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Import Tips

• Verify the pump's specific role in semiconductor crystal growth processes to confirm classification under statistical notes for manufacturing equipment

• Include detailed technical specs and end-use certification to avoid misclassification as general industrial pumps

• Ensure compliance with semiconductor industry standards like SEMI for documentation during customs clearance