CEO : Choi Jong Vum206 Gasan Digital1 in Geumcheon-gu, Seoul
Business license number : 119-81-21822
TEL : 82-2-830-7900Mail : yk8300@ykcontrol.com
A/S : 82-80-070-7900
Weekday : 08:30 ~ 17:30※ Closed on weekends and holidays
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