|
| |
| |
| |
| 1998.
04 |
Member in Korea Engineering and Construction
Association (no.10-704) :
Urban planning, urban development, landscaping,
roads and airports, soil and foundation, civil construction,
water treatment, transportation, railway, environmental,
industrial design,
building construction, general supervision, etc.
(currently up to 12 division) |
|
| |
| |
| |
| 1998.
05 |
Ministry of Land, Transport and Maritime
Affairs (no.90 ) :
Submitted research paper on
Traffic impact analysis improvement measurement
|
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| |
| |
| |
| After
1998. |
Registered in
- Small and Medium Business Administration
(no.100702-00241) : INNO-BIZ
- Korea technology finance corporation
(no.20100101203) : Venture enterprise
- Incheon (no. 02-02-2040) : General measurement
business
- Incheon (Incheon civil engineering-no.23)
: Professional civil engineering company
- Incheon (Incheon geneal-no.13)
: Professional general supervision company |
|
| |
| |
| |
| 2002.
05 |
1. U-turn traffic marking (Utility
model)
2. Double signal (Utility model) |
|
| |
| |
| |
| 2003.
02 |
3. Green light double signal (Utility
model) |
|
| |
| |
| |
| 2003.
09 |
Established the laboratory
- Cheong Hae Construction (Road traffic lab.) |
|
| |
| |
| |
| 2010.
02 |
Changed the name of company
Cheong Hai E&C → Cheong Hai Engineering &
Construction |
|
| |
| |
| |
| 2010.
05 |
International Contractors Association
of Korea (no.578) :
International construction declaration certificate. |
|
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