About USCorporate History
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2017
- 07 Licensed – Fire Engineering License
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2016
- 03 Awarded – 2015 Best Construction Company with Electrical Safety Excellence
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2011
- 02 Patent – LED Traffic Lights with heat-resistant structure (No. 10-1016748)
- 01 Performed Traffic Signal Management Services in Busan Metropolitan City (2011-2014)
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2010
- 12 Patent – Supporting Structure for Traffic Lights (No. 10-1001195)
- 09 Performed Traffic Signal Management Services in Seoul Capital Areas (2010-2011)
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2006
- 08 Licensed – Electrical Construction / Info-Communication Tech Construction / Metal Structure / Window Construction / Painting Construction
- 06 Transitioned to a Corporate Company
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2005
- 11 . Passed – Performance Test: Manufacture, Delivery, and Installation of National Police Standard Traffic Controllers.
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2004
- 02 Certified – High Energy Efficient (by Korea Energy Management Corporation)
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2003
- 10 Manufactured, delivered, and installed LED Traffic Lights (with performance test & high energy-efficient certification)
- 08 Supply Contract – Seoul Capital Government: COSMOS traffic controllers.
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2002
- 11 Successfully developed COSMOS traffic controller (Passed field tests)
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2000
- 01 KSA 9002, ISO 9002 Quality Certification – Road Traffic Safety Facilities: Traffic Lights, Traffic Sign Production, Installation and services
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1999
- 10 Successfully developed: Pedestrian Traffic Lights Time Residual Indicator
- 09 Company moved to Haeundae area to build an extension for the production facilities.
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1995
- 11 Licensed – Info-Communication Tech
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1993
- 04 Reorganization of departments: Creating CAD Design Department
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1992
- 04 Developed - improved Loop Detectors
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1990
- 05 Developed - National Police standard monolithic Traffic Controller (NEMA regulation)
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1988
- 06 Developed - Traffic Controller for Variable Lanes (DH-9000 for Busan and Gyeongnam area)
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1986
- 08 Developed - Electronic Traffic Light Controllers for Regional Division
- 02 Developed - Electronic Traffic Signal Controllers (DH-9000A for Busan)
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1985
- 09 Company moved to a new building.
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1984
- 05 Developed - Multivariate Computer-based Traffic Signal Controller (DH-8500A)
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1983
- 07 Developed – Digital Communication Traffic Controller (DH-8800)
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1982
- 05 Research & Development of Centralized Control System (partnership with Sumidomo Electric)
-
1981
- 02 Developed – Keyboard-based Traffic Controller (DH-16014)
-
1978
- 08 Licensed – Construction (steel & painting)
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1974
- 02 Establishment of Daiheung: Licensed Electrics and Civil Engineering
