Ceramic Clock Bridge Assembly from China
Advanced ceramic bridge providing thermal stability for high-accuracy clock movements used in scientific instruments. HTS 9114.40.80.00 includes 'other' clock bridges of advanced materials essential to timekeeping function.
Duty Rate — China → United States
21.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Include thermal expansion coefficient specs proving suitability for precision timekeeping
• Document assembly sequence showing integration with escapement mechanism
• Distinguish from Chapter 69 ceramic insulators via horological end-use certification