Jjamppong Gwan Busan Suyeong is a Chinese restaurant in Suyeong, Busan that serves jjamppong, jjajangmyeon and tangsuyuk. The jjamjjamyeon, which puts jjamppong and jjajang in one bowl, appears to be the signature dish. Rice is free, drinks are unlimited and there is a self-service bar. The jjamppong broth is on the salty side and the portion is small.