Tsunami, Earthquake, Nuclear, Fallout, Bacteria, Poison Gas, Complete Protection! Chumdan Bunker System Shelter
History
2004
- OctoberEstablished Chumdan Technology Bidsystem
2004, Oct 30 Developed GBS.1 Bid Analysis Service Solutions
www.bidsystem.co.kr
2005
- OctoberEstablished Korea Development & Industry Construction
2005, Oct 30. Developed KDIC Bid Analysis Solutions
www.kordic.co.kr - NovemberEstablished National Bidding Information
2005. November 10. Developed GBSWS 1.0 Bid Analysis Sistem
www.bidway.co.kr
2006
- August Established Baroseum Construction
Interior Construction
2007
- AugustEstablished G2B Holdings
2008, Apr 29. Established Corporate Research Center within Chumdan Auto
Door Sytem (Korea Industrial Techology Association)
2010. Oct 19. Patented (Application Number : 10-2010-0102089)
2008
- MarchChumdan Portal Systeom
Established Cororate Research Center(Korea Industrial Technology Association)
2011
- JulyPatented(Application Number :2009-0094589)
Ptent Number : 10-1023641 - JulyEstablished Chumdan Baroseum General Construction Service
General Construction Service
2019
- Present
2004 Oct 12 – 2019. Present
Tendering and Bidding Agency with 25,305 cases
Tendering and Bidding Agency with the amount of orders received of 2.25226 trillion KRW
Chumdan Information System applied for a patent on portable air purifier
Patent applied for tsunami
Acquired letter of patent on design shelter for earthquake and tsunami
