NKCG produces components made of graphite, CFC and carbon-based insulating materials in any shape, size and complexity. We manufacture single-parts, assemblies, large projects or serial production. In addition to the machining, all components can be purified and coated (e.g. SiC and PyC).

Production steps are implemented and monitored to the highest standards of the respective industry sectors.

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Company History

  • 1968 Foundation of KOGO mechanics by Winfried Kornmeyer, first own workshop with several CNC equipment
  • 1969 Jointly developed graphite heated vacuum furnace of its kind with Schmetz, Menden, one of the leading manufacturer of vacuum furnaces
  • 1973 Start of serial manufacturing of heating chambers with hard felt and CFC linings
  • 1982 First mover with direct heated charging rack (Carbon Composites) for the vacuum brazing of coolers in the automotive production
  • 1983 Production of serial parts for manufacturing equipment of solar silicon and solar cells
  • 1995 Construction of the present location in Windhagen, first own purification furnaces were installed
  • 2009 Foundation of Carbon Group as a holding company of companies from all sectors; Founder Winfried Kornmeyer retires after 40 years in operating business and assumes advisory functions
  • 2011 new construction of warehouse and machine park premises
  • 2012 Start of new purification and coating center in Windhagen with several new furnaces (CVI & CVD processes)
  • 2016 Nippon Carbon Co., Ltd. Japan acquired shares of Kornmeyer Carbon-Group, the company was then renamed into “Nippon Kornmeyer Carbon Group”
  • 2018 Opened NKCG offices in Strasbourg, France as part of the expansion strategy

Nippon Kornmeyer
Carbon Group GmbH
Im Nassen 3
53578 Windhagen

Phone: +49(0)2645 95 25 0
Fax: +49(0)2645 95 25 20

Member of Nippon Carbon Group

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