1881 - Louis Schopper opened a workshop;

1952 - nationalized and name changed to VEB Werkstoffprüfmaschinen Leipzig

1990 - transformed into Werkstoffprüfmaschinen Leipzig GmbH

2006 - became WPM Werkstoffprüfsysteme Leipzig GmbH working on the development and manufacturing of hydraulic testing systems and testing machines, spring testing machines and pendulum impact testers.