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certificate of business registration certificate of design industry
declaration certificate of engineering business certificate of design supervisor
The certificae of supervsion industry certificate of the firefighthing facilties
and design industry.
certificate of the firefighting industry certificate of the firefighting industry
The certificate to open the engineer’s office certificate of the firefighting facililites
certificate of the professional engineer license certificate of the professional engineer license
certificate of the professional engineer license The national technology license
The national technology license membership card
certificate of engineer quality management
system
 certificate of safety inspection of
provision for the army
appointment letter appointment letter
teacher’s license certificate of Certified Technology Consultant
award certificate award certificate
agreement to participate in GEF campaign appointment certificate
membership card appointment letter
certificate of the exclusive research and
development department		 certificate of award

The certificate of award

 award certificate
award certificate 2005 Vision Korea prize
certificate of practical industry certificate of practical industry
certificate of practical industry article of a newspaper
award certificate certificate of award
2006 construction industry mangement of
technology grand prize		 award certificate
certificate of patent certificate of patent
certificate of patent certificate of patent
The certificate of VE(Value engineering) expert award certificate
'Great CEO awards of Korea award certificate
membership card appointment letter
certificate of license award certificate
appointment letter membership card
The certificate of VE(Value engineering) expert appointment letter
The certificate of VE(Value engineering) expert certificate of patent
award certificate 2009 Korea construction environtmental
management of technology award
The industry-academic cooperation agreement The notice
appointment letter