June 1993: company establishment

September 1993: successful development of reinforced nylon 6 filter membrane

May 1994: Market promotion of reinforced nylon 6 filter membrane

May 1996: The earliest clean plant in the same industry of China was put into use

April 1997: successful development of PVDF filter membrane

July 1998: successful development of reinforced nylon 66 filter membrane

August 1998: establishment of filter workshop

June 2000: establishment of injection workshop

March 2002: successful development of hydrophilic PVDF membrane

September 2004: operation of clean plant covering an area of 25 acres

June 2012: completion of technological innovation on terminal sterilization filter element

November 2012: construction completion of filter element verification laboratory

April 2013: successful development of hydrophilic PVDF membrane with high bubbling point and high flux