2019

05.
Participate in 2019 WATER PHILIPPINES in Manila, Philippines

2018

12.
Performance certification by Ministry of SMEs and Startups
06.
Registering Water and Wastewater Facility construction business

2017

06.
Certification of Designation of excellent product by Public Procurement Service, Republic Korea.
02.
Receiveredthe Seoul Mayor's Award

2015

07.
Performance certification by Ministry of SMEs and Startups

2014

September
Acquired GREEN CERTIFICATE from Ministry of Environment of Korea
July
Partnership with Sebigas of Italy for Biogas to Electricity technology (GBioPro®)
June
Partnership with Lentikat’s Biotechnologies for Nitrogen reduction technology (N-ZERO®)
Completion of Solid Waste Treatment and Management Project in Ninh Binh Province of Vietnam (Korean ODA "EDCF")

2013

June
Contracted to supply 100,000 m3/day MSBR (Modified SBR) to Ulsan of Korea
January
Contracted to construct water supply systems for Luong son and Cao Phong Towns in Hoa Binh province of Vietnam (Korean ODA "EDCF")

2010

September
Participation in IFAT 2010, Germany
June
Contracted to supply 40,000 m3/day MSBR (Modified SBR) to Ulsan of Korea
May
Participation in IFAT China-EPTEE 2010

2009

December
ISO 9001: 2008 Authorized.
November
Participated in "AQUA-THERM 2009" in Prague, the Czech Republic.

2008

September
Implemented Feasibility Study project "Sewage Treatment Project, Saigon North I Zone, Ho Chi Minh City, Vietnam."
August
Achieved the project of High Technical Innovation & Development 2008.

2007

September
Contracted to supply 200,000 m3/day GABF® (Grenex Automatic Backwash Sand Filter) and 100,000 m3/day GDisk® (Grenex Plie Cloth Disk Filter) to Jeonju of Korea.
July
Established an Annex R&D at JINAN Factory.
June
Appointed & Registered as a potential small business group for export
April
Contracted to supply 20,000 m3/day MSBR (Modified SBR) to Incheon International Airport.

2006

October
Contracted to supply 100,000 m3/day GABF® (Grenex Automatic Backwash Sand Filter) to Shenzhen of China.
June
Registered as INNOBIZ Company of Korea.

2005

October
Construction of own JINAN Factory (manufacturing facility)
June
Registered as a Proprietor of Engineering Activities.
April
Registered as specialized construction company in water supply and waste water treatment area.

2004

June
Appointed as a Superior Technology Company by KOTEC

2003

March
Registered as a turnkey contractor for wastewater treatment facility to Ministry of Environment.

2002

June
Participation in MSBR (Modified SBR) construction in Gwangyang of Korea.
April
Appointed & Registered as a company with new and outstanding technology by Ministry of Small and Medium Business Administration.

2001

Provided Anaerobic Hybrid Reactors to Samnam Petrochemical Co., Ltd. of Korea.

2000

June
Registered trading business to KITA (Korea International Trade Association)
Foundation of GRENEX LIMITED.