Dongboseong is an old Chinese restaurant located underground in the center of Seomyeon, Busan. It has served Sichuan jjamppong and tangsuyuk consistently for 20 years, and its menu also includes yuseul jjajang and ganjjajang. Course meals are served per person, and a private room and parking lot are available. Because it is underground and the sign is not easy to see, it is hard to find the first time.