YEAR
Development events
1993
First paper bag production for vacuum cleaners produced in China
1996
Introduction of wet-laid nonwoven machine online export to 3M and Japan
1998
Automatic dust bag production line started
2003
Introduction of ultra-fine glass fiber filter materials
2004
Introduction HEPA filter production lines
2009
Introduced development and production of PTFE stretch film
2012
Introduction Air purification production line
2013
Production of high-efficiency, low resistance, and washable filters
2018
R&D into continuous production of automotive filters
2019
Introduction 100% biodegradable, packaging and paper
2020
Commercial and industrial filters offered to the market
2023
R&D development into energy saving air filters complementing high air stability, low resistance



