- 1974
- Established the company
- 1975
- Started production of pulp separators
- 1977
- Started production of white separators
- 1982
- Started delivery of white separators
- 1986
- Finished production of pulp separators
- 1993
- Started delivery of white separators large plates
- 1994
- Started production of humidification materials
- 1998
- Started delivery of white separator rolls
- 1999
- Started production of ST separators (industrial white separators)
- 2001
- Started production of glass tubes
- 2005
- Delivered processing device overseas
- 2006
- Started delivery of white separators pasting products overseas, Completed a new warehouse
- 2009
- Delivered tube production equipment overseas
- 2011
- Started delivery of thermal insulation material
- 2014
- Started delivery of AGM
Added a corrugate processing machine
- 2015
- Delivered white separators to a new customer overseas
- 2017
- Renewed a glass tube curing oven
- 2018
- Changed mercury lamps in the factory into LED lamps
