Mobase Electronics Co., Ltd. (Formerly Seoyon Electronics Co., Ltd.)

Company Profile

■URL

http://www.mobaseelec.com

■Address

100, Saneop-ro 156beon-gil, Gwonseon-gu, Suwon-si, Gyeonggi-do, Korea

Business Overview

-The Company specializes in manufacturing vehicle switches and key sets.

-In October 2019, the original company Seoyon Electronics Co., Ltd. adopted Mobase Electronics Co., Ltd. as its new name.

-In the fiscal year that ended in December 2024, 42.2% of the company’s sales were to Hyundai Motor, 28.0% of the Company’s sales were to Kia Motor, while exports accounted for 26.1% of sales.

Shareholders

(As of Dec. 31, 2024)

Major Shareholders	Interest Ratio (%)
Mobase Co., Ltd.	45.84

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Products

Electronic Control System
-BCM (Body Control Module)
-PSM (Power Seat Module)
-SCM (Steering Column Module)
-IBU (Integrated Body Control Unit )

Convenience Control System
-Wireless Charger
-Cold / Heated Cup Holder
-Multi-Input Device

Power Control System
-LDC (Low Voltage DC-DC Converter)
-DC-DC Converter
-1.5kW Inverter
-BMS

Security System
Smart Key System
-Smart Key Unit
-Display FOB
-Door Handle
-Electric Steering Column Lock
-Start Stop Button
-LF ANT

Immobilizer System

Car Lock Set
-Folding Key
-Door Lock
-STRG & IGN Lock
-G/Box Lock
-PAB On/Off Switch
-Trunk Lid Switch

HMI (Switch etc.)
-P/W (Power Windows) Switch
-Steering Wheel Remote Control Switch
-M/F (Multi Function) Switch
-I/P (Instrument Panel) switch

Lightweight materials
-Steering lock housing
-Steering wheel
-Seat Frame
-Radiator Panel for LED
-Radio Casing
-IT Product Casing

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History

Jan. 1978	Shin Chang Electrics Corp. was established.
Sep. 1978	Technical tie-up with Tokai Rika Co., Ltd. in Japan
Dec. 1985	Capital participation by Tokai Rika Co., Ltd.
Feb. 1986	Korea Huf Co., Ltd. was established as a joint venture with Huelsbeck & Fuerst GmbH & Co., KG. of Germany.
Aug. 1989	Opened R&D Center
Jan. 1993	Acquired 100% of the shares in Korea Huf Co., Ltd. and changed the company name to U-Chang Precision Co., Ltd.
Mar. 1994	Established Guizhou Hua Chang Automobile Electrics Co., Ltd. in China.
Oct. 1994	The Company's stock was listed on the KOSDAQ market.
Dec. 1994	Established Shinchang Connector Co., Ltd. (SRC production) jointly with Furukawa Electric Co., Ltd. and Tokai Rika Co., Ltd. in Japan.
Jun. 1997	Established Shinchang Zpzp Polska Sp.Zo.o (Shinchang-Poland) jointly with Poland Daewoo FSO.
Oct. 1997	Acquired QS9000
May 2000	Technical Tie-ups with Robert Bosch of Germany
Feb. 2002	Acquired ISO14001
Jul. 2002	The Company and Guizhou Hua Chang Automobile Electrics Co., Ltd. concluded a technical partnership agreement, under which the Company will transfer its technology to the Chinese company.
Oct. 2002	Established STF Co., Ltd. in Korea with Tokai Rika Co., Ltd. and Furukawa Electric Co., Ltd.
Oct. 2003	Established Suzhou Huachang Mechanical and Electrical Co., Ltd. in Suzhou, Jangshu Province, China with Guizhou Guihang Automotive Components Co., Ltd. (China), Tokai Rika Co., Ltd. (Japan), U-chang Precision Co., Ltd. (Korea)
Apr. 2004	Acquired ISO/TS16949
Mar. 2005	Established Shinchang America Corporation in Michigan, USA
Oct. 2007	Established Shinchang Poland Sp. z.o.o in Poland
Jul. 2008	Established Suzhou Shinchang Science & Technology Co., Ltd. in China
Apr. 2011	Relocated the R&D Center to Seoul.
Dec. 2011	Hanil E-Hwa Co., Ltd. acquired 50.12 percent of the shares in Shinchang Electrics Co., Ltd.
Aug. 2012	Adopted a new corporate name, Daedong Co., Ltd.
Jan. 2016	Renamed Daedong Co., Ltd. to Seoyon Electronics Co., Ltd.
Mar. 2016	Relocated the R&D Center from Seoul to Anyang, within the Seoyon R&D Center.
Sep. 2016	Acquired the stock shares in its subsidiary STF and merged the operations.
Nov. 2016	Relocated the head office from Ansan to Suwon.
Oct. 2017	Established Seoyon Electronics India Private Limited in India.
Jun. 2018	Established Seoyon Electronics Mexico S. de R.L. de C.V. in Mexico.
Oct. 2019	Renamed Seoyon Electronics Co., Ltd. to Mobase Electronics Co., Ltd.