Vacuum Ion Pump Controller for Synchrotron from China
Electronic controller for sputter-ion pumps maintaining ultra-high vacuum in synchrotron particle accelerators. Falls under HTS 8543.90.88.45 as a critical electrical part ensuring beam path integrity by preventing gas scattering. Includes high-voltage regulation and diagnostic telemetry.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include vacuum specs (e.g
• 10^-10 Torr capability) in invoices; certify radiation tolerance for beamline use; avoid bulk packaging declarations that suggest general lab use