Float Zone Crystal Grower Exhaust Fan from China
High-precision exhaust fan designed for float zone crystal growers in semiconductor production, removing inert gases and maintaining vacuum integrity during monocrystalline boule formation. Classified under HTS 8414.59.65.95 as other fans for semiconductor processing apparatus per statistical notes on crystal growers. Critical for preventing contamination in wafer precursor manufacturing.
Duty Rate — China → United States
37.3%
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
9903.88.0325%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)
Import Tips
• Include manufacturer certifications linking fan to float zone method for statistical note compliance; watch for anti-dumping duties on Asian-sourced semiconductor gear
• Pitfall: inadequate proof of semiconductor end-use leads to higher general rates