Czochralski Crystal Puller from Japan
A Czochralski crystal puller is a specialized machine used to grow monocrystalline silicon boules from molten semiconductor material by slowly pulling a seed crystal. It is classified under HTS 8473.29.00.00 as a part or accessory principally used with semiconductor manufacturing machines of heading 8470, specifically for wafer production.
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 equipment is solely for semiconductor processing to avoid reclassification under general machinery headings
• Provide detailed technical specs and end-use certificates to customs for Chapter 84 eligibility