​​​​owner managed company:
Holger Koch

highly qualified employees

  • ​engineers, foremen, skilled craftsmen etc.
  • ​​​​​for the solution of your challenges

Business operating areas:
​​development and manufacturing of​​​​​ wet chemical equipment for production and R&D

Target Markets:​​​​​​

  • Semiconductor Equipment
  • ​​​​​Medical Technology
  • ​​​​​Photovoltaic Equipment
  • ​​​​​etc.

Company type:
Innovative Partner for R&D projects and ​​​​​reliable production equipment

Installed plants:
​over 900 plants worldwide

Know how:
design, construction, manufacturing, software ​​​and service all in house

Everything out of one hand
​complete machinery for plastics and ​​​​stainless steel processing


  • TüV-certified and monitored company according to §62 (1) AwSV / Specialist Company according to WHG (=Water Economy Law) ​
  • DIN EN ISO 9001 approved and regularly monitored ​​​​Quality Management System​


Headquarters in Hofolding, nearby Munich

Branch location in Wutach, nearby Donaueschingen

RAMGRABER – Your Wet Process Partner:​​

Ramgraber is your innovative partner, when it comes to wet chemical process equipment for Cleaning, Etching, Drying etc. of Wafers and Substrates. Since 1972, engineering and procedural innovations are our driving force. For our customers we develop cleanroom equipment in order to fulfill the very individual needs of our customers. For research institutes as well for big cleanroom fabs, the same is essential: Your requirements are our incentive.
Electroplating (ECD Electro Chemical Deposition), Electroless Plating (ELD Electroless Deposition) and also Lithography on Wafers resp. Substrates – also for these wet chemical processes and many others more we are your competent engineering company for Batch and Single Wafer plants.