Electric Power System of
Distribution & Transmission
D T R
The World Best Quality and Service of DTR for Customerís Satisfaction
We, the DTR Corporation,
Electrical insulator R & D was established in 1998.
Electric Power System of DTR, as specialist of polymer insulators,
surge arrester, cable joint and accessories products related to
Korea Electric Power Corporation(KEPCO), Korean Railroad(KORAIL) and
Korea Train Express(KTX), take especially pride in electric products for
Distribution and transmission line.
The DTR Corporation consist of specialist of the various fields make always
every efforts to be satisfied customerís requests with precision equipment
and advanced technology to produce quality products by development
techniques, research, manufacturing capability and engineering.
Anyway, we would surely regard the belief with every customer as or life
And always put ourselves in customerís positions for every aspects.
Furthermore, we sincerely promise that we would do our best to satisfy
Customerís all requirements.
The our aim is to supply ďthe world best quality & servicesĒ for every
customerís satisfaction.
It is my sincere wish that all of those advantages could contribute to
Recognizing far closer relationship between you and us.
Iím looking forward to seeing you, wherever the place might be,
Reassuring of our ever improving services for you.
Thank you.
1971
Dong Ah Tire & Rubber Corp. Established
1992
DTR Corp. Established
1997
QS 9000 / ISO 9001 Certified
Polymer Insulator for Distribution Class Developed
Polymer Surge Arrester for Distribution Class Developed
Zinc Oxide Block for Distribution Class Developed
2003
Yusan 2 Plant of DTR Corp. Founded
2004
ISO 9001:2004 Certified
Zinc Oxide Block for 5 kA
2005
ISO 14001:2004 Certified
Polymer Dead-end & Suspension Insulator 15kV to 69kV
Polymer Surge Arrester 3kV to 54kV for 5kA
Polymer Surge Arrester 3kV to 54kV for 10kA Class 1
Zinc Oxide Block for 10kA Class 1 Developed
2006
Transmission Line Polymer Insulator Developed
Polymer Surge Arrester for Station and Intermediate
Class 2 & class 3 Developed
2007
Polymer Dead-end & Suspension Insulator for Distribution
Class Certified according to IEC ANSI and CEA standard
DTR Product was approved by Rural Utilities Service(RUS)
Which is Electric Company in USA
2008
Polymer Line Post Insulator for Distribution Developed
Polymer Support Insulator for Distribution Developed
Polymer Pin Type Insulator(Low voltage) Developed
2009
Cable Termination for Distribution Class Developed
Single Piece Termination Distribution Class Developed
2010
Polymer Cutout Switch for Distribution class Developed
Transmission Polymer Insulator Developed up to 500kV
2011
Polymer Pin Type Insulator(High voltage) Developed
Cable Joint kits for Distribution Class Developed
Current Limiting Arcing Horn Developed
Production items : Electric insulator
Technical Research Center Established : April 1997
Number of Employees : 40 persons as of 2012.
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Company introduction
Electric Insulator Business
KEPCO
KORAIL
40,000
Overseas
Unit : Thousand USD
KTX
35,000
Domestic
30,000
Total
KORAIL 80%
25,000
KTX 4%
20,000
KEPCO 80%
15,000
10,000
5,000
0
2007
2008
2009
2010
2011
Sales Revenue per Customer Domestic Only
Business / Sales Revenue
Domestic Customers
Three (3) Company
KOREA ELECTRIC POWER CORPORATION
KOREA RAILROAD CORPORATION
KOREA TRAIN EXPRESS
Foreign Partners
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