Generally, the stores are open:
Daily: 10:30 am - 10 pm
The opening hours may differ depending on each store, please visit the website for more information.
Wikipedia https://zh.wikipedia.org/wiki/COEX商場
Official website http://www.coex.co.kr/eng/
Facebook https://www.facebook.com/CoexKorea/
电话 +82 2 6002 5300
地址 06164 513 Yeongdeung-daero, Gangnam-gu, Seoul Seoul, Korea
坐标 37°30'39.425" N 127°3'34.701" E