Cathodic Protection Rectifier from China
Transformer-rectifier unit for impressed current cathodic protection systems, preventing corrosion on pipelines, ships, and offshore platforms through electrolytic action. HTS 8543.30.90 covers this electrolysis apparatus for corrosion prevention applications.
Duty Rate — China → United States
40.1%
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
• Include NACE certification or IP rating documentation for hazardous location use
• Declare output current capacity accurately to prevent undervaluation penalties
• Specify marine/offshore end-use for potential drawback eligibility on exports