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Seyoung Information & Telecommunication Co., Ltd. has multiple experiences of digital message handling system (DMHS) and voice telecommunication control system maintenance
localizes and installs telecommunication equipment for
army, navy, and air force in order for a better future of national defense.
Maintenance
◆ Navy
NO Bidding (announcement name) Ordering org Contract date End date
1 Naval TACAN(NRBP-2BK) repair Navy 2015-08-21 2016-06-10
2 Digital Message Handling System (DMHS) maintenance service in 2016 Navy 2016-06-12 2017-06-11
3 Submarine (SS-Ⅱ) tactical training maintenance service Navy 2016-07-01 2017-06-30
4 First MCRC voice exchange in 2017 Navy 2017-05-01 2018-04-30
5 TACAN in 2018 Navy 2018-03-07 2018-05-07
6 Tactical air navigation device (NRBP-2BK) outsourcing repair Navy 2018-10-10 2018-11-09
7 17-19 Naval electronic exchanger and optical device Navy 2017-06-12 2019-06-11
8 LG electronic exchanger in 2018 Navy 2018-03-29 2019-06-30
9 20 years digital professional processing system (DMHS) maintenance service Navy Navy 2020-06-24 2021-06-11

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◆ Air Force
NO Bidding (announcement name) Ordering org Contract date End date
1 Air Force Air force electronic exchanger special communication facsimile
broadcasting device maintenance
Air Force 2015-06-23 2016-07-31
2 Portable GPS outsourcing repair Air Force 2016-06-01 2017-05-31
3 Air combat maneuvering instrumentation (ACMI) maintenance Air Force 2016-07-01 2017-06-30
4 Portable GPS outsourcing repair Air Force 2018-07-04 2018-11-30
5 Second MCRC in 2018 Air Force 2018-05-03 2019-05-12
6 Voice communication control system maintenance Air Force 2018-07-01 2019-06-30
7 Portable GPS outsourcing repair in 2019~2020 Air Force 2019-04-15 2020-05-31
8 Hawk engagement simulator Air Force 2019-07-01 2020-06-30
9 Electronic exchanger/Special communication/Facsimile broadcasting device Air Force 2019-08-01 2020-07-31
10 Voice communication control system maintenance Air Force 2020-07-01 2021-06-30
11 Optical transmission equipment maintenance Air Force 2020-10-01 2021-09-30
12 Air combat maneuvering training equipment (ACMI) maintenance Air Force 2021-03-01 2021-11-30

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Localization
◆ Navy
NO Bidding (announcement name) Ordering org Contract date End date
1 Parts localization development (Amplifier B for radio frequency, heating circuit board
detection periscope, receiver, wireless)
Navy 2016-05-04 2019-02-28
2 Repair ability development (Mode control device, circuit card, etc.) Navy 2016-11-15 2019-04-30
3 Parts localization development (Command and control device, DDH-II, disk) Navy 2018-05-14 2021-04-30

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◆ Air Force
NO Bidding (announcement name) Ordering org Contract date End date
1 17-3rd parts localization development (Resistor, thermal sensitivity) Air Force 2017-11-16 2019-11-15
2 KF-16 AIFF inspection and exchange technology development research service Air Force 2017-02-15 2018-03-14

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◆ Army
NO Bidding (announcement name) Ordering org Contract date End date
1 19-2nd parts localization development_Command vehicle (Wiring device, section type) Army 2019-11-15 2022-09-30

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Installation
◆ Army
NO Bidding (announcement name) Ordering org Contract date End date
1 Navy `15-6-hardship exposed cable improvement Army 2015-08-27 2015-09-25
2 Firearms control RFID Army 2015-11-10 2015-12-10
3 Homeland defense firearms control system purchasing among promotion support
project in 2016 - 1st and 2nd
6755Unit 2016-08-09 2016-10-27
4 Homeland defense firearms control RFID (6755 Unit) Army 2017-08-08 2017-09-06

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