1975
Dr. Oskar K. Wack laid the foundation stone of the company through the founding of Dr. Ing. OK. Wack Chemie GmbH.
1990
Founding of the second business area. ZESTRON started in 1990 with the production of cleaning media for the SMT industry in Europe. There are now seven technical centers around the world where cleaning processes customized to each customer can be developed under field conditions.
2007
Founding of the third business area:
IdentPro specializes in optimizing manufacturing processes and intralogistics processes.
2021
