1975 Foundation of ROTOFLEX AG in Grenchen.  
2005 Most of the company is destroyed by fire and damaged by soot and extinguishing water.  
2006/2007 Reconstruction of the destroyed and damaged buildings. Enlargement of the company with new storage facilities. Development laboratory is relocated, greatly enlarged and refurbished.  
2012 Expansion of the sales team with field service North Germany  
2017 Takeover of ROTOFLEX AG by Daetwyler SwissTec AG Bleienbach  
2018 Foundation of Daetwyler Rotoflex Turkey in Izmir