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• EMAS registration DE-129-00033verified · expires 2027-07-23

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j-fiber is a company that produces glass fibers and is a specialist for multimode fibers used in modern data centers, with a long tradition of production at its site in Jena. The company offers a range of products and services, including custom-made fibers and preforms, and is a member of the Hengtong Group.

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• EMAS registration DE-154-00036verified · expires 2026-09-30