Czochralski Crystal Puller from China
A Czochralski crystal puller is a specialized casting machine used in semiconductor manufacturing to grow monocrystalline silicon boules from molten material by slowly pulling a seed crystal. It falls under HTS 8454.30.00.90 as 'other' casting machines of a kind used in metallurgy for producing high-purity ingots essential for wafer production.
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]
Import Tips
• Verify equipment qualifies as metallurgy casting machine per Chapter 84 notes; provide technical specs on boule pulling process
• Include end-user certificates confirming semiconductor material processing use to avoid misclassification