1994: Cheng Li, a member of the STREICHER Group, has 5 employees
1999: Started distillation processing business (multi-stage membrane and short-path distillation units)
2003: The largest skid-mounted device at the time was completed
2009: Established a wholly-owned subsidiary of German Ruida GmbH in Beijing, China
2012: Niederwinkling's new test center is commissioned and put into use
2018: Acquisition of UIC GmbH (Hörstein/Alzenau) as a new subsidiary