1946
Founding of OHE Maschinenbau GmbH
1960
OHE trademark was first registered
1976
Developing of high-pressure hoses
1986
Manufacturing of the first 12-function direct control unit
1987
Development of the pilot control system
1995
Development of the electro-hydraulic control system
1998
First certification to DIN ISO 9001 standard
2005
Certification of our products to ATEX standards
2009
Development of control systems for low seam operations
2011
Completion of the new, state-of-the-art factory
2013
Development of the quick-supply unit
2014
Fitting of an 8.8 m roof support with control units and valves
2015
Integration into the Huahai Group