Gallium Arsenide Crystal Growth Vacuum Pump from China
Specialized high-power (>746 kW) vacuum pump for gallium arsenide crystal pullers used in compound semiconductor manufacturing. Maintains ultra-clean vacuum for GaAs boule growth explicitly mentioned in statistical notes. Classified 8414.80.20.75 as other vacuum pump exceeding power threshold.
Duty Rate — China → United States
37.5%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Specify GaAs material in documentation matching statistical note materials list
• Corrosion-resistant certifications for arsine gas handling required for GaAs equipment
• Validate against silicon-only equipment to claim compound semiconductor status