Seoryeong Bonjeom is a naengmyeon restaurant near Namdaemun in Jung-gu, Seoul, serving Pyeongyang naengmyeon with Hanwoo cow broth and pure buckwheat noodles. Deulgireum sunmyeon and hangjeong jeyuk are also available, and dongchimi vinegar adds sweetness and acidity. Remote waiting is available through CatchTable, and there is a separate waiting room on the second floor. On weekends, 150 to 180 teams are ahead in line, with a basic wait of three hours.