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HSChapter 84
U.S. imports of machines for making optical fibers and preforms (HS 847521) totaled $626K in June 2026, traded with 6 countries.
Importers of Machines for Making Optical Fibers and Preforms paid $63K in duties in June 2026 — an effective duty rate of 10% on $626K in dutiable value, based on actual customs collections rather than the published tariff schedule. Machines for Making Optical Fibers and Preforms imports of $626K in June 2026 ran 62% below the year-to-date monthly average of $1.6M.
Optical fiber drawing towers and preform fabrication equipment — critical capital goods for the telecommunications and data-center infrastructure industries — are classified under a single tariff line, 8475210000. Japan leads US imports of this highly specialized equipment, reflecting the dominant role of Japanese precision-engineering firms in fiber draw technology. France and the United Kingdom are also notable sources, consistent with the European presence in preform chemical vapor deposition systems. Given the high unit values and long lead times typical of this equipment, importers often coordinate closely with suppliers on installation scheduling and spare-parts provisioning.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Both are captured within 8475210000 because the heading explicitly covers machines for making optical fibers and preforms thereof. The distinction matters commercially — preform machines (typically using chemical vapor deposition) and drawing towers are separate capital investments — but both fall under the same 10-digit HTS line. Confirm with CBP if a machine performs both functions in an integrated system.
No Section 232 or Section 301 measures are currently applied to optical fiber manufacturing equipment from the leading supplier countries (Japan, France, United Kingdom). Importers should nonetheless verify the current status of any applicable trade actions at the time of entry, as trade-remedy coverage can change.
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Monthly import values over time
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8475210000 | MACH FOR MAKING OPTICAL FIBERS & PREFORMS THEREOF | $626K | 10.00% | 100.00% | $63K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8475210000 | MACH FOR MAKING OPTICAL FIBERS & PREFORMS THEREOF | $168K |
DIGITAL PROCESSING UNITS, N.E.S.O.I.
HS 847150
PARTS & ACCESSORIES FOR ADP MACHINES & UNITS
HS 847330
PORT DIGTL AUTOMATIC DATA PROCESS MACH NOT > 10 KG
HS 847130
AUTOMATIC DATA PROCESSING STORAGE UNITS, N.E.S.O.I
HS 847170
AUTOMATIC DATA PROCESSING UNITS, N.E.S.O.I.
HS 847180
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAVANNAH, GA | $516K | -- | -$516K |
| MIAMI INTERNATIONAL AIRPORT, FL | -- | $153K | +$153K |
| WASHINGTON, DC | $91K | -- | -$91K |