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High-Purity Piezoelectric Quartz Plate from China

Ultra-pure synthetic quartz plates for medical ultrasound transducers, converting electrical energy to mechanical via piezo-electric properties. HTS 7104.10.00.00 covers these graded, unmounted synthetic semiprecious stones. Critical for non-invasive imaging equipment.

Duty Rate — China → United States

23%

Rate breakdown

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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Cross-reference with FDA medical device regulations; declare piezo-electric medical application

Certify purity levels meeting Chapter 71 alloy rules (no precious metal contamination)

Use non-permanent stranding for high-volume shipments to comply with 'temporarily strung' provision