Czochralski Crystal Puller Process Valve from China
Stainless steel process valve used in Czochralski method crystal growers to regulate argon and dopant gas flows during monocrystalline silicon boule production. Classified in HTS 8481.80.9050 as other valves for semiconductor wafer manufacturing pipes. Ensures contamination-free operation in high-temperature environments.
Duty Rate — China → United States
39.5%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide OEM specs linking valve to crystal grower models for statistical note compliance
• Ensure helium leak test certifications in documentation to prove vacuum integrity