ZITHA SPECIALTYSPECIALTY FIBER CABLES Technical Inquiry

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What US Customs Regulations and Tariffs Apply When Sourcing

Importing ADSS fiber optic cables from China demands careful attention to HTS classification, Section 301 tariffs, documentation, and evolving trade regulations.

Polarization Maintaining PM Fiber Optic Patch Cables

FS offers polarization maintaining PM fiber patch cables with excellent birefringence and low attenuation for polarization sensitive fiber optic communication systems.

What US Customs Regulations and Tariffs Apply When Sourcing ADSS Fiber

ADSS fiber optic cables from China are classified under HTSUS 8544.70.0000, which carries a 0% base duty rate. However, Section 301 tariffs add up to 25% on top, and importers must

Polarization Maintaining Fiber

Polarization maintaining fiber (PM fiber) is constructed to maintain linear polarization while light is propagating through the optical fiber. We offer industry standard Bow-Tie and Panda Polarization

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