History of the company

CHROFF Kunststofftechnik GmbH was acquired in 1999 through a management buyout by Stettler Kunststofftechnik GmbH through Gerhard Hoffmann and Robert Christmayr. The company name is a merger of the last names of both owners. Goal of the company is the to produce high-quality plastic parts and assemblies for the customers. After 19 years, we can say with pride: We succeeded. Today, we have established ourselves as a competent full service partner for plastics production.

Company history at a glance:


  • Gerhard Hoffmann and Robert Christmayr founded CHROFF Kunststofftechnik GmbH in Bamberg-Kramerfeld in the Kronacher Street 54
  • The Managing Director is Gerhard Hoffmann.
  • Corporate objective: Production of plastic parts and assemblies for various branches of industry.
  • 2007

  • Entry of Robert Christmayr as a further Managing Director.
  • 2011

  • Steady growth of the company.
  • Move to the larger company building in the  Kirschäckerstraße 22, in Bamberg.
  • 2012

  • Start of the 3 component injection molding.
  • 2013

  • Expansion of the machine park by an injection moulding machine with a clamping force of 3,200 kN (320t).