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US HTS CODE | Harmonized Tariff Schedule HS code & Tariffs Search Service (2025 HTS Revision 10 (04/14/2025))
| HTS Code | 73030000 | 7020003000 |
| Article Description | Tubes, pipes and hollow profiles, of cast iron | Quartz reactor tubes and holders designed for insertion into diffusion and oxidation furnaces for production of semiconductor wafers |
| Quota of Quantity | -- | -- |
| Unit of Quantity | [] | [No.] |
| Rates of Duty (1-General) | Free | Free |
| Rates of Duty (1-Special) | -- | -- |
| Rates of Duty (2-Cuba and North Korea) | 33% | 55% |
| Footnotes | [general], See >9903.88.03., type=endnote | [general], See >9903.88.03. , type=endnote |
| Additional Duty | -- | -- |
| Additional Duty(products of China) | The duty provided in the applicable subheading + 25% | The duty provided in the applicable subheading + 25% |