Zinc Galvanized HVAC Duct Coupling from China
A cylindrical zinc sleeve coupling used to join HVAC duct pipes for air distribution systems. Classified under HTS 7907.00.20.00 as a zinc tube or pipe fitting for mechanical joining in ventilation applications.
Duty Rate — China → United States
40.5%
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
• Declare exact zinc content and alloy status; chapter notes distinguish pure zinc from alloys affecting duty rates
• Include HVAC system certification to prove civilian end-use and avoid anti-dumping scrutiny on Chinese-origin goods