Czochralski Crystal Puller from Mexico
A machine tool used to produce monocrystalline silicon boules by pulling a seed crystal from molten silicon in a vacuum chamber, grinding the boule to precise diameter for wafer production. Classified under HTS 8464.90.0120 as it functions as a grinder for semiconductor crystal ingots, akin to mineral material processing. Essential for semiconductor wafer manufacturing.
Duty Rate — Mexico → United States
12%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify machine specifications match statistical note for semiconductor crystal growers to avoid reclassification
• Provide detailed technical documentation proving boule grinding function for customs valuation
• Ensure EPCG license if importing for semiconductor fab; watch for anti-dumping on precision grinders