12 Acquisition of innovative product designation certificate [vegetable box for LID]
2019
06 Green certification acquisition - Underground flow artificial wetland system for reducing non-point sources using sloping plate sediments and phosphorus adsorption filtrate
2018
08 Korea Wetland Society Award for Technology
05 Green certification acquisition - Korea's first in the field of LID [Non-point contamination purification technology through wooden filter box with improved cloth processing function]
05 Acquisition of water quality environment specialized construction projects
2017
11 Minister of Land, Infrastructure and Transport 2017 [Best Practices Contest for Applied Ecological Technology]
2016
11 Presidential Award Commendation of Chonnam National University
09 Registration of the Seoul Metropolitan Government Water Supply Project as a Public-Private Consultative Body for Overseas Expansion
08 South Korea's Environment Awards Winner of the Minister of Trade, Industry and Energy
08 Commendation of the Korean Wetland Society
2015
11 Korea Applied Ecology Society Award - Greening of Unmanaged Rooftop
10 Gyeonggi Province Governor's Commendation
2014
10 Confirmation of Inno Biz [Small and Medium Enterprises with Innovative Technology] (Gwangju Small and Medium Business Administration)
10 Relocation of headquarters office (Jangjang-ro, Samseo-myeon, Jangseong-gun, Jeollanam-do 1930-52
2012
12 Completion of Jangseong Plant (Porous Expansion Ceramic)
10 Confirmation of Inno Biz [Small and Medium Enterprises with Innovative Technology] (Gwangju Small and Medium Business Administration)
2011
11 Special Award for Green Environment Award (Jeonnam Ilbo, Gwangju Bank)
10 Confirmation of Inno Biz [Small and Medium Enterprises with Innovative Technology] (Gwangju Small and Medium Business Administration)
07 Selection of eco-innovation projects by the Ministry of Environment
2010
05 Certification of corporate research institutes
2009
03 South Jeolla Province Commendation
2007
04 Yeosu City Mayor's Commendation
2006
11 Registration of earthworks business (Damyang 2006-02-03)
06 Selection of excellent technology companies (Technology Guarantee Fund)
03 Selection of excellent performance companies for water supply and sewerage construction projects in 2005 (Jeollanam-do Association of Professional Construction Association)
2005
10 Acquire INNO-BIZ corporate certification
2004
11 Director of the Korea Water and Sewerage Association
02 Minister of Government Administration and Home Affairs Award
2003
11 Awarded the Minister of Environment Award
10 New Gwangju Office (Yongbong-dong, Buk-gu)
2001
02 Award for Excellence in Professional Construction Technology Development (Korea Professional Construction Association)
2000
12 Commendation of Director of Waterworks in Gwangju Metropolitan City
02 Relocation of headquarters office (Damyang County)
1998
08 Venture company certification (Gwangju Regional Small and Medium Business Administration) (~present)
02 Cheongho Environmental Development Co., Ltd. obtained certification of ISO 9001, 9002
1997
07 Registration of Water and Sewage Facilities Construction Business [Jeonnam No. 97-13-26]
01 Trade name change: Cheongho Development Co., Ltd. → Cheongho Environment Development Co., Ltd
1996
12 Registration of Reinforced Concrete Construction Project [Jeonnam No. 96-10-122]
08 Won the Mayor of Gwangju Metropolitan City Award
07 Registration of design and construction of manure treatment facilities, etc. [No. 96-40]
07 Cheongho Development Co., Ltd. established Jeonnam Corporation (781, Eupnae-ri, Gokseong-eup, Gokseong-gun, Jeollanam-do)