Diode Laser Mounting Bases from China

Precision-machined bases for mounting semiconductor diode lasers with thermal and optical alignment features. Parts thereof under 8541.90 for laser diode assemblies.

Duty Rate — China → United States

50%

Rate breakdown

9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Optical alignment tolerance specifications required

Distinguish from general machine mounts

Laser safety compliance documentation