j-fiber GmbH is one of Europe's leading providers of optical fibers for data transmission and the only industrial-scale manufacturer of fibers in Germany.In 2023, j-fiber became part of the Hengtong Group.——————Data protection: https://www.j-fiber.com/en/data-protection/Imprint:j-fiber GmbHManagement BoardFrank Flohrer, Jian YuanRegistered office and registry courtJenaCommercial register numberHRB 210166Value added tax identification number acc. to § 27 a German Turnover Tax Law (UStG)DE814052073Responsible for the contents acc. to § 55 (2) German Interstate Broadcasting Agreement (RStV)Frank FlohrerTelefon +49 3641 352-100E-Mail info@j-fiber.com