Tension Leg Platform (TLP) for Gas Production from China
A Tension Leg Platform secured by vertical tendons to the seabed, used for dry natural gas production in ultra-deepwater fields. Classified in HTS 8430.49.40.00 as offshore boring and production machinery for hydrocarbons. Offers minimal vertical motion for precise drilling.
Duty Rate — China → United States
37.5%
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
• Document tendon materials and tensioning systems for customs engineering review
• Coordinate with BSEE for well control certification
• Pitfall: Failing to declare production risers separately leads to under-valuation disputes