Czochralski Crystal Puller Mechanism from Japan
This is a specialized pulling mechanism used in Czochralski crystal growers for producing monocrystalline silicon boules from which semiconductor wafers are sliced. It falls under HTS 8431.10.0010 as a part solely for machinery of subheading 8425.11 (winches and capstans), specifically crystal pullers in semiconductor manufacturing. The statistical note confirms crystal growers and pullers as wafer manufacturing equipment.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Verify the part is exclusively for 8425.11 machinery via technical specs and supplier certification to avoid reclassification
• Include detailed engineering drawings and end-use statements proving semiconductor application for customs clearance