3603.50.00.00/Tunneling Blast Igniter/China

Tunneling Blast Igniter from China

Heavy-duty igniter for tunnel boring machine (TBM) face blasting in underground construction. Engineered for high-pressure environments, under HTS 3603.50.00.00.

Duty Rate — China → United States

20.2%

Rate breakdown

9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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Import Tips

• Specify methane-rated explosion-proof design for mine safety approval

• Coordinate with MSHA for underground facility imports

• Pressure test certificates mandatory for customs release