Synchrotron X-Ray Diffractometer from China
High-brilliance X-ray source and detector system for macromolecular crystallography (chapter 90). No equivalent compact synchrotron light source manufactured domestically. Requires Commerce certification for university structural biology labs.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Application must specify exact scientific parameters (flux, coherence) unavailable domestically
• Large systems may require special handling permits beyond standard customs clearance
• Maintain 5-year usage logs proving exclusive nonprofit scientific institution use