Yujin Banjeom Galhyeon Gusan is a Chinese restaurant in Seoul. It serves jjajangmyeon, jjamppong, bokkeumbap, and tangsuyuk, and gives extra service when you eat in the hall. It is open 24 hours, but it is not available during break time and meal preparation time. The jjamppong broth can go cold, and the tangsuyuk can get soggy.