December 17, 2014
Promising Export Small and Medium Business
(Daejeon and Chungnam Regional Small and Medium Business Administration)
December 02, 2014
Registered WATERO trademark
November 01, 2014
Expanded the office at 13, Techno 8-ro, Yuseong-gu, Daejeon, Korea
September 30, 2014
Patented the water purifier filter assembly
November 29, 2013
Patented ‘Invention and production of carbon block filter’ in India (Manufacturing method of carbon block filter)
September 30, 2013
NSF ANSI Standards 42 (C0165238)
August 28, 2013
Acquired the sanitary license (MA) in China
May 01, 2013
Patented ‘Invention and production of carbon block filter’ in China (Manufacturing method of carbon block filter)

December 05, 2012
Million Dollar Export Tower award on the Trade Day
September 07, 2012
Revenue Tower (10 million KRW) award from Daejeon Metropolitan City August 30, 2011
Promising Global Small and Medium Business
(Daejeon Metropolitan City and KISTI)
March 17, 2011
Established Handok Filter Technology Research Institute
September 13, 2010
Promising Small and Medium Business certified by Daejeon Metropolitan City
July 25, 2010
Started carbon block filter export to Kuraray Chemical
June 29, 2010
Main-biz re-certified by Daejeon and Chungnam Regional Small and Medium Business Administration

July 02, 2009
Patented the manufacturing method of the invention and production of high granule carbon filter
December 17, 2008
InnoBiz certified by Daejeon and Chungnam Regional Small and Medium Business Administration
November 26, 2008
Venture Business certified by Korea Technology Finance Corporation
January 20, 2008
ISO 9001/14001 certified
December 07, 2007
Patented the manufacturing method of ‘Invention and production of carbon block filter’
November 26, 2003
Incorporated to Handok Clean Tech Co., Ltd.
May 20, 2000
Developed the PE preprocessing filter.

July 20, 1999
Developed the filter for portable water purifier
January 10, 1998
Developed the fibrous activated carbon block filter
February 01, 1991
Developed the naturally filtering activated carbon block filter
April 01, 1990
Founded Handok CW