Hongkong Banjeom 0410 Yangcheon-gu Office Branch is a Chinese restaurant near Yangcheon-gu Office Station in Seoul that serves jjajangmyeon and tangsuyuk. Jjajangmyeon is available for takeout, and tangsuyuk is sold as well. The noodles come out swollen or stuck together. Staff argue with each other throughout the meal, which makes eating there uncomfortable.