COMPANY INTRODUCTION · 2020. 10. 26. · 4 SEJONG TELECOM COMPANY INTRODUCTION History of Company 2019.06 2018.12 2017.03 2016.07 2013.11 2010.12 2009.09 2006.07 2003.03 2002.09

COMPANYINTRODUCTION

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SEJONG TELECOM COMPANY INTRODUCTION

SEJONG Telecom CEO MESSAGE

Electrical BusinessHeadquartersAn Jong Seog

SEJONG Telecom, Inc. established on June, 1992, is a key telecommunication carrier with a nationwide optical communication network.We are establishing a sustainably growing base through the fusion of preexisting wired and wireless communication serviceswith the information and communication technology and various platform businesses linked to blockchain, data, contents, commerce,ICT solution, etc. In 2020 which is the 30th year after the company’s foundation, we are trying to become the greatest ICT platform partnerthat forms the open sharing ecosystem with various business groups and shares profits through the co-creation strategy to deliverour value to customers.

The electrical business headquarters of SEJONG Telecom, Inc. is trying to show respect for customers and society with the besttechnology and efforts to contribute to bountiful lives in the present and future. We are making continuous efforts to shine a light in theworld beyond Korea based on various construction technologies specialized in electrical, railroad, information and communications,and fire prevention system, and experienced technology manpower. Because of your love and encouragement shown to us,we will do our best to keep doing research and making investment continuously with passion to make a better future.

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Business Area

National and Private Infrastructure Construction.Regarding the construction for the national infrastructure, we have been designated as a proper construction company by the Korea Electric Power Corporation so that we have beenmaking contribution to the national electrical industry.By performing electrical construction for electrical, subway, highway tunnel, high-speed railroad, building, etc., we are participating actively in the national andprivate infrastructure construction.

1. Power PlantsSupplies stable power facilities based on constructionexperiences in the combined cycle power, wind powergeneration, solar energy generation, power plants /substations and power transmission / distribution system.Performs installation, commissioning and maintenance of keyunits including power control unit and instrumentation ofvarious plants.

3. Housing constructionsConstruction of apartments, complex buildings,studio type apartment, parking control system,CCTV/CATV system, lighting fixture.

5. Manufacturing FacilitiesIncluding the electrical construction for a semiconductormanufacturing plant that is the foundation and core of the ITindustry in the digital world, we have electrical constructionexperiences related to various fields of manufacturing plants such as display, steel, automobile, etc.

2. Infrastructure constructionsPerforms electrical works in various railway fields such ashigh-speed railway, subway, and light railway.

4. Building ConstructionsConstruction of business facilities including skyscrapers, hotels,resorts, hospitals, residential commercial complexes,Educational Institutions and research facilities.Performs electrical works in various fields of interior lighting fixture, clock system, nurse call system, stage lighting,A/V system, landscape lighting, CCTV/CATV system,parking control system, Aircraft Warning Light.

6. Overseas constructionsIraq bismayah new city project, Mongolia new Ulaanbaatarinternational airport project, Equatorial Guineagovernment project.

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History of Company

2019.06

2018.12

2017.03

2016.07

2013.11

2010.12

2009.09

2006.07

2003.03

2002.09

2002.01

1999.11

1999.01

1997.03

1996.08

1995.11

1984.12

Merger and Acquisition_ Joil ECS Co., Ltd. → Sejong Telecom Co., Ltd.

Head office relocation(36 Sangil-ro 10-gil, Gangdong-gu, Seoul)

Indonesia branch electrical construction business license registration

Established Indonesia branch JOILECS INDONESIA

Established Mongolian Corporation JYNECS MONGOLIA LLC

Changed company name to JOIL ECS Co., Ltd.

Registered as a new and renewable energy company

Overseas Construction Business Registration_ Electrical Construction Business

Selected as 10 SMEs of the Year_ Small and Medium Business Administration

Acquired OHSAS 18001(Occupational Health Safety Assessment Series) Certification

Acquired ISO 14001(Environment Management System) Certification

Capital change 1,500,000,000

Head office relocation(894-1 Bongcheon-dong, Gwanak-gu, Seoul)

Communication Construction Business License Registration

Fire facility construction business license registration

Acquired ISO 9001(Quality Management System) certification

Established the company(Electrical Construction Business License)

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Overview of Company

Name of company SEJONG Telecom, Inc.

President Kim Hyung Jin / Yoo Ki Yoon

President An Jong Seog(Electrical Business Division, CEO)

Head Office 36 Sangil-ro 10-gil, Gangdong-gu, Seoul, korea

Home Page www.sejongtelecom.net

Tel. 02-870-8700

Fax. 02-870-8799

Main Bank SHINHAN BANK

Registration No. 123-81-28751

Business Type Construction

Business Item Electrical, Information & Communication, Fire prevention Constructions

SEJONG Telecom Inc.

ISO 9001 Quality Management System

ISO 14001 Environment Management System

ISO 45001 Occupational Health and Safety Assessment Series

ISO : International Organization for Standardization

ISO Certificate

ISO 9001QualityManagement System

ISO 45001OccupationalHealth SafetyAssessment Series

ISO 14001EnvironmentManagement System

Business Registration Numbe

123-81-28751Corporate

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Organization Chart of Company

Law Dept

Business Management Team

Resource Management Team

Financial Accounting Team

Construction Management Team

OverseasBusiness Team

DomesticBusiness Team

BusinessPlanning Team

QualitySafety Team

New Business Dept

CommunicationBusiness Dept

Chairman

CEO

Technical DeptStrategic Business DeptElectrical

Business DeptAdministration

Dept


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BUSINESS CERTIFICATE

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Business license

Registration No. No.Seoul-00070

Registration Date 15-Nov-78

Construction ability 2019year : 261,333,209(thousand won)

Electrical Construction License

Registration No. No. 2019-02-00008

Registration Date 31-May-00


Fire Facility Construction License

Registration No. No.310303

Registration Date 23-Aug-96


Information & Communication Construction License

Registration No. No.526 / No.827

Type of Business Electrical / Communication

Registration Date 18-Jul-06, 12-Aug-13

Overseas Construction Registration

Registration No. No. 2009-4990

Type of Business Solar photovoltaic, Wind, Geothermal power

Registration Date 14-Sep-09

New Renewable Energy

Electrical Construction LicenseNo.Seoul-00070

Information & CommunicationConstruction LicenseNo.310303

Fire FacilityConstruction LicenseNo. 2019-02-00008

Registration

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Awards

Certificate

CommendationPresidential

CommendationKorea Railroad Authority


CommendationPresidential



CommendationMinister

CommendationIncheon International Airport Corporation

CommendationPrime Minister

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Awards

Certificate


CommendationThe Mayor of Daegu

CommendationThe Mayor of Incheon


CommendationThe Mayor of Goyang

CommendationThe Mayor of Seoul


CommendationThe Mayor of Incheon

CommendationThe Mayor ofGwangjin-gu

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Awards

Certificate

CommendationBusan Transportation

ExcellentBusiness AwardSKhynix(2016~2018Year)

ExcellentBusiness AwardHanwha Construction(2010~2014Year)

ExcellentBusiness AwardHyundai Construction(2003~2004Year)

ExcellentBusiness AwardPOSCO(2012~2018Year)

ExcellentBusiness AwardSK Construction

ExcellentBusiness AwardSsangyong Construction

CommendationPOSCO

CommendationDonga Construction


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BusinessPerformance


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Business Performance

Plant(Power plant, Substation, Transmission line)

- PlantBukpyuang Power Plant Electrical Works

Samcheok green Power Electrical Works

- Substation154KV Yeoui S/S

154KV Yangjae S/S 23KVS.W Extension

154KV Sejongno S/S

Honam Line Dugye S/S (Site : 6EA)


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- Transmission Line345kV Gwangyang ~ New Yeosu T/L

154KV Goryeong ~ Guji T/L

Jije Station Underground Line Project

345kV New Dangjin ~ Taean Thermal Power T/L

345KV Ulsan junction T/L

345KV Cheongsong junction T/L

154KV New Yangyang T/L

154KV New Yeongil ~ Cheonbuk T/L

345KV Younggwang ~ Sinnamwon T/L

154KV Sosa ~ Wonsi Underground Line

154KV New Goseong ~ Geoje T/L

154KV Osan ~ Baran T/L

154KV Hwaseong junction T/L

154KV Oksan ~ Janghang T/L

154KV Gumyeong T/L

154KV Banpo MTR expansion Project

Samcheok LNG Power Supply Project


Plant(Power plant, Substation, Transmission line)


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Public Infrastructure

- AirportIncheon International Airport Aeronautical Light

Incheon International Airport 22.9kV Distribution Line

- Electric Power CorporationHonam Line Chogang~Songjeong Railway Power Project

Kyungbu Line(KTX) Busan depot Railway Power Project

Kyungbu Line(KTX) Daejeon~Daegu electric supplyequipment Project

Kyungbu Line(KTX) electric supply equipment Project

Kyungbu Line Hwanggan~Apo Railway Power Project

- Expressway and TunnelGuri-Pocheon highway Project

The 3rd Seoul-Incheon Highway Project

Seoul Ring Expressway Project

Seohaean (Ansan-Anjung) Expressway Project

Seohaean (Mongtan-Mokpo) Expressway Project

Jeonju-si Bypass(Yongjeong-Chunpo) Project

Yeongdong Expressway Daegwallyeong 1~4 Tunnel Project

Yeongdong Line Saemal-Woljeong Bongpyeong Tunnel Project

Okpo-Naeseo Dalseong Tunnel Project

Yeongdong Line Singal-Wonju Naesa Tunnel Project

Namsan No.2~3 Tunnel Project



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- High-speed railway, Subway and Trolley LineDodam~Yeongcheon Trolley Line Project

Kyungbu Line Mulkuem Trolley Line Project

The Line 2 Subway Line Railway Depot in Seoul Project

Gyeongchun Line Gapyeong~ Chuncheon Trolley Line Project

Kyungbu Line Hwanggan~Apo Trolley Line Project

The Line 2 Subway Line in Daegu Project

Honam Line Sindo~Kangkyung High-speed railway Line

Kyungbu Line Yucheon~Mulkuem Trolley Line Project

High-speed railway Siheung Line electrical Line change

Subway line no.3 Suseo base elctric line consyruction

- Railway SignalBusan~Ulsan, Deokhwa~Taehwagang Railway Signal Project

Ulsansinhang Line Lead-in Railway Signal Project

Honam Line(KTX) Iksan~Jeongeup Railway Signal Project

Dongsuncheon~Gwangyang Railway Signal Project

Jungang Line Yongmun~Seowonju Railway Signal Project

Jungang Line Paldang~Yongmun Railway Signal Project

Gyeongbu Line Daegu~Ulsan Railway Signal Project

Janghang Line Sinchang~Hongseong Railway Signal Project

Incheon Transit Line 1 Songdo International City Signal Project

Daejeon Express Transit Line 1 Railway Signal Project

Busan Subway Line 3 Signal Project

Seoul Subway Line 5, 7 Signal Project


Public Infrastructure


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Residence(Apartments, Complexes, Officetels)

Hwaseong Bongdam2 S-1BL Apartment Section 4 PJT

Gwanggyo Hillstate Electrical Works

Songdo Apartment Electrical Works

Hanam Gamil District B6, C2, C3 Block Apartment PJT

Dongtan Metapolis Tower Electrical Works

Pyeongtaek Dongsak Housing Cooperative New PJT

Gimpo Pungmu Apartment Electrical Works

Nokbeon 1-2 Electrical Works

Gwanggyo Sanghyeon Apartment New Electrical Works

Busan Gwangan Mansion Housing Electrical Works

Busan Jangjeon 3 Redevelopment Apartment Project

Sejong-si 4-1 living area P3 Section2 Electrical Works

Gangdong-gu Amsa-dong High-Rise Residential Building PJT

Gangneung Hyundai Regional Housing Combination PJT

Incheon Cheongna IHP Smart City Communication PJT

Songpa Wirye A2-4 Block Apartment Section 3 PJT

Guri Galmae District Apartment New Electrical Works

Changwon Gaum Jugong Housing Reconstruction PJT

Cheonan Budang G-Well The Sharp New PJT

Seoul Hangdong Public Housing Site Project

Pyeongtaek Sosabeol Housing New Electrical Works

Yongin-Giheung Railroad Station Development PJT

Gwangju Hwajeong Jugong Reconstruction Section 4-2 PJT



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Busan Yeonje-gu Yeonsan-dong Apartment Section 2 PJT

Songdo D11, 16BL Apartment Electric Works 2 (D11BL)

Pyeongtaek Sosabul B-3 Block Apartment Section 4 PJT

Changwon Supervision Hillstate 1st New Section 1 PJT

Yongsan The Prime residential complex PJT

Sangbong-dong Residential Complex Section 1 PJT

Uijeongbu Minrak(2) A-2BL Apartment Section 1 PJT

Daegu Isiapolis New Apartment Phase 2 PJT

Hyunseok Lake Apartment Remodeling PJT

Incheon Cheongna 7 Block Apartment Section 1 PJT

Yeongam Yongang Apartment Section 2 PJT

Songdo The Sharp Harbourview Apartment PJT

Ulsan Sinjeong-dong Jungang Heights 2nd Apartment PJT

Busan Myeongryun-dong Jungang Heights 2nd Apartment PJT

Incheon Eco Metro 5BL New Apartment PJT

Incheon Dream Green Eco Metro Apartment 11BL New PJT

Jongam Section 4 Electrical Wokrs

Gangil District 5 Apartment Electrical Works

Ulsan Hwabong Apartment Electrical Works

Gimhae Yulha District Jungang Heights Apartment PJT

Wonju Dangu-dong Jungang Heights apartment PJT

Gimhae Jangyu Sinmun-ri 2nd Apartment PJT

Hwaseong Dongtan 5-4 Block Apartment Section 1 PJT

Uijeongbu Nokyang Apartment Section 3 PJT




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Mokdong Hyundai Hyperion 2 Electric Work Section

Heights Xi Apartment Section 2 PJT

Bupyeong Samsan District Ampo Town PJT

Ulsan Yangsan Saemaul apartment Electrical Works

Uijeongbu Nokyang Jugong Reconstruction Section 1 PJT

Ulsan Dal-dong apartment Electrial Works

Asan Onyangbangbang Orgen Apartment PJT

Samsung Jungang Heights Apartment Electrical Works

Seocho Hyundai Superville New Electrical Works




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Complex Business Facility

- Business facilityYeouido Parc1 Tower Electrical works

KBS-media Center

NH Bank Building Electrical works

Heungkuk Life Insurance Namdaemun business facility PJT

Jung-gu Ssanglim-dong Urban Environment Improvement PJT

Sangam-dong DMC E2-1 Block Construction Project

Seoul Complex Gyeongsang New Office Construction PJT

Postal Business Information Center Project

First Fire & Marine Insurance Seocho-dong office PJT

Chosun Media Taepyeongro Center Electrical Works

Seocho-dong complex commercial facility Project

Legal Training Institute New Construction Project

Korean Peninsula Unification Future Center PJT

Korea Financial Training Institute main building remodeling

POSCO Green Building New Construction Project

Local administrative training center Construction Project

Post office call center Electrical Works

Chosun Media Taepyeongro Center Electrical Works

Dongil Investment Development New Construction Project

Seongsan Motor Inspection Center Electrical Works

Suwon KBS Drama Production Support Center Project



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- EstablishmentPungmoon High School Project

Pohang Accelerator Laboratory Electrical Works

Namyang Research Center Electrical Works

Namyang Hyundai Motor Construction PJT

Mabuk Hyundai Motors hydrogen fuel cell research building 2

Seoul National University of Science and Technology PJT

Chungju Technology Research Center PJT

Ajou University Dormitory Construction PJT

Yaum High School and 3 other schools F/A PJT

Ewha Womans University Design Hall Construction

Sogang University Alumni Hall Construction

Gwangwoon University Cultural Center Construction

Gyeonggi Girls' High School Construction

Cheonan Technical Education College Construction

Busan University Industry-University Project




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- StadiumMain stadium in Mokdong district Electrical Works

2015 Gwangju Summer U Competition Athlete's Village PJT

Peace Plaza Olympic Plaza Electrical Works

Ansan Culture & Arts Center Electrical Works

Multipurpose sports center and library in Junggok-dong PJT

Goyang Sports Complex Electrical Works

Dongseobyeon Culture Leports Center F/A PJT

Main stadium in Busan Sports Complex Project

- Multipurpose buildingMia Hyundai Department Store Electrical Works

Songpa City Elderly Care Center Electrical Works

Gangwon Land laundry factory and additional facilities PJT

Taekwang CC dormitory new construction Project

Donghae LCNG complex charging station Construction

Gwangyang LCNG complex charging station Construction

Among facilities of Golden Bat(military forces) Project

Military facilities in Army Cheorwon Project

New dormitory and Saralim new construction Project

Integrated security system for 4 complexes

Saemaul Geumgo Jeju Training Center Project

Busan/Gyeongnam area racecourse construction




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Manufacturing Plant Factory

Sk-hynix Semiconductor Manufacturing Plant - Icheon

Sk-hynix Semiconductor Manufacturing Plant - Cheongju

Sk-Hynix M12~16 FAB/CUB Project Electrical Works

Sk-Hynix M12~15 HOOK UP Project Electrical Works

Sk-Hynix M14~15 Data CenterElectrical Works

Samsung Display (Asan DC) factory Electrical Works

Samsung Semiconductor Manufacturing Plant(P-Project)

Yulchon Factory Facility Maintenance Management

Hyundai Steel Industry Cheonan Factory Project

Gyeongdong Nabien Factory Project

Dongbu Steel General Electrical Works

Dongbu Steel Asan Bay Hot Rolled Mill Electric Facility PJT

Myeonghwa Metal Dangjin Plant Project

Samsung Corning Precision Glass R-PJT 2nd Project

Cement wharf construction and cement SILO relocation PJT

Dongkuk Gangdangjin Plant, road pavement PJT

Daegu Gomo Cement Storage Base Project

Bucheon Techno Park 3rd Apartment-type Factory PJT



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Overseas Construction

▷ Iraq Bismayah New City Project - General Electrical Works

- PC Plant Communications Construction

- Government Guest house Electrical Works

- 11KV T/L and S/S Electrical Works

- Wiremesh Plant

- Sewage Treatment Plant

- Water Treatment Plant

- Housing Automatic Control(A Block, B block)

- Temporary Power Supply Electrical Works

- 33/11kV substation and 33kV underground power cable Electrical Works

- Edu_Band SI 11KV(Town A)

- Pumping station Electrical works

- HFO Power Plant



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▷ Mongolia New Ulaanbaatar International Airport Project - General Electrical Works

- Aeronautical Ground Lighting System Works

▷ Water Supply Improvement Project in Kurdistan Region Package 2▷ Equatorial Guinea Project - Mongomo City Hall and Plaza

- President Memorial Hall and Repair Works

- Malabo Constancia & Hassan villa project


Overseas Construction


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Headquarter

#36, Sangil-ro ,10-gil, Gangdong-gu, Seoul, KoreaTel : 02-870-8700Fax : [email protected]

SEJONG Telecom

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Documents

COMPANY INTRODUCTION · 2020. 10. 26. · 4 SEJONG TELECOM COMPANY INTRODUCTION History of Company 2019.06 2018.12 2017.03 2016.07 2013.11 2010.12 2009.09 2006.07 2003.03 2002.09