Numerically Controlled Czochralski Boule Grinder from China
NC grinding machine specifically designed for Czochralski method silicon boules, grinding to precise diameters post-crystal pulling for semiconductor wafer production. HTS 8460.24.00.80 as numerically controlled abrasive grinding for semiconductor boule finishing per statistical note (a)(ii)(A).
Duty Rate — China → United States
41.9%
Rate breakdown
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]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Specify Czochralski boule compatibility and diameter grinding range (100-450mm) in technical specs
• Reference statistical note (a)(i) crystal growers context to support semiconductor-specific classification
• Avoid combining with slicing equipment documentation to prevent set classification