1990'

Mar. 1980
~ Dec. 1999

Construction of LG Chemical plant in Cheongju, Korea as “Factory Management Division”, and started engineering work and maintenance services.
Constructed over 20 chemical plants for LG Chemical company and supplied our maintenance services.

Dec.

28, Established Techwin Co., Ltd

2000'

Jan.

Registration for Air pollution control business (Korea)
Registration for Energy Savings Company (Korea)

Apr.

Registration of Water Treatment Business (Korea)
Established R&D Center

Jul.

Business Alliance with LG-EDS

Aug.

Filed as Software Business Provider

Oct.

Registration for Night-soil Treatment business
Registration for Electricity construction Business

2001'

Jan.

Technology development of Rotary type Dust Collector with Korea Institute of Machinery and Materials by Korea Government funding.

Mar.

Start the factory Maintenance Service for LG chemical Iksan plant.

May

Registration of Trade Business (Seoul, Korea)

Jul.

Manufacturing Factory’s Expansion and movement
Registration of Construction Business (Korea)

2002'

Jun.

Participation in the 24th International Environmental Technology Exhibition (Seoul, Korea)

Sep.

Participation in World Water Environment Technology Exhibition (Chicago, U. S. A/ WefTec 02) Technical Certification for Electrode Manufacturing Technology (NT, EM)

Oct.

Patent issue from JAPAN (RTO,VOC treatment technology)

Dec.

Certification for Technology Innovation Type Small & Medium Business (INNO-BIZ, Korea)

2003'

May.

Patent issue from JAPAN (Electrodes Manufacturing Technology)
Participation in International Environmental Technology Exhibition (Tokyo, JAPAN)

Jun.

Certification for Quality Guarantee System (ISO9001:2000)
Participation in the 25th International Environmental Technology Exhibition (Seoul, Korea)

Nov.

Patent issue from Korea (Electrode Manufacturing Technology)

Dec.

Participation in 2003 Korea New Technology Certified Products Grand Exhibition (Seoul, Korea)

2004'

Apr.

Participation in the 7th Converting Equipments and Special Printing Exhibition (Tokyo, Japan) Contract for the Business Alliance ( Control System with SUMITOMO Systems, Japan)

Jun.

Participation in the 26th International Environmental Technology Exhibition (Seoul, Korea)

Nov.

Presidential Award at the New Technology Utilization Promotion Contest (Korea Agency for Technology and Standards, the Ministry of Commerce, Industry and Energy)

2005'

Mar.

exported technology to KOBELCO company in Japan (an electrode system)

Jun.

Made a technology agreement of a sludge reduction system with FUCHS company in Germany

Nov.

U$ 20,000,000 export tower award received an industrial service medal

2006'

Apr.

expansion and relocation of a headquarter

Jun.

registration of a specialized company for new recycled energy (special business class 6)

2007'

Jun.

registration of an information and communication construction business

Oct.

the nation’s first CDM business completion in a foreign country (China, Jinan)

2008'

Apr.

designated as a specialized organization for energy diagnosis

Oct.

certification of excellent ESCO received a grand prize of Chung Buk companies.

2009'

Oct.

a citation of an excellent organization for energy diagnosis (Ministry of Knowledge Economy)

Dec.

registration of an overseas construction business

2010'

Jun.

registration of water and sewage equipment construction business

Aug.

designated as an excellent product (a sodium hypochlorite generating device)

2011'

May.

Made a forward osmosis membrane technology agreement with HTI company in the U.S.

Jun.

obtained EMS certification of an environmental management system (ISO14001:2004)

2012'

Dec.

U$ 20,000,000 export tower award

Nov.

Registration of a comprehensive construction license (Industrial environment equipment construction business)

Oct.

Received a first prize in the on-line waterworks competitive exhibition (Korea Water Resources Corporation)

May.

Recognized by Korea Laboratory Accreditation Scheme (KOLAS)

2013'

Apr.

Obtained certification of green technology

Sep.

citation of an excellent productivity company (Ministry of Trade, Industry and Energy)

2014'

Mar.

Received a citation of a director of the National Tax Service for exemplary payment of taxes

Jun.

Selected as a leading environmental company (Ministry of Environment)

2015'

Nov.

Received a presidential citation for cooperate partnership week

2016'

Jun.

Registration of a comprehensive construction license (engineering works)