Czochralski Crystal Puller from Mexico
A Czochralski crystal puller is used to produce extremely pure monocrystalline semiconductor boules from silicon or gallium arsenide melts, from which wafers are sliced. It falls under HTS 8479.90.95.96 as a part of semiconductor manufacturing equipment for crystal growth, classified as other machines and mechanical appliances having individual functions not specified elsewhere.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Verify equipment qualifies under statistical note for semiconductor crystal growth to ensure correct classification
• Provide detailed technical specs and end-use certificates to avoid misclassification as general machinery