Our history


Constant integration of expertise


  • 1960 Creation of TECNOLON WORKS in Brussels

  • 1968 Acquisition of TECNOLON WORKS by the Dedecker family

  • 1969 Acquisition of Vandenbosche Décolletage: Supplier of metal inserts overmoulded in plastic in Espierres – 5 employees
              Creation of Décolletage Dedecker

  • 1983 Following reorganization, TECNOLON WORKS concentrates on the production of tools and FERONYL on plastic injection

  • 1997 Acquisition of the activity of Ateliers Grimonprez & creation of GRIMONPREZ TRANSMISSION GEARS

  • 2004 TECNOLON WORKS offers tooling for injectors and performs precision machining for small series and especially in 5 axes

  • 2010 Décolletage Dedecker becomes DEDECKER PRECISION MECHANICS

  • 2012 Creation of SUB-ALLIANCE E.I.G. composed of 4 companies spread over 6 factories

  • 2021 Acquisition of MANOIR Engrenages in Chaumontel (France) and creation of GRIMONPREZ PRODUCTION GEARS (GPG)



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