Frequency Control Piezo-Quartz Bar from China
Synthetic quartz bars engineered for precision frequency control in telecommunications equipment, utilizing inverse piezo-electric effect. Classified HTS 7104.10.00.00 as worked piezo-electric quartz, temporarily strung only for transport convenience. Provides stable oscillation for base stations.
Duty Rate — China → United States
23%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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 oscilloscope test results verifying piezo-electric frequency response
• Label clearly as 'synthetic piezo-electric quartz - not mounted' to prevent jewelry heading confusion
• For bulk imports, provide statistical annotations matching HTS revision 4 (2026) reporting