Hansung Hamheung Naengmyeon Makguksu is a restaurant in the ginseng section of Gyeongdong Market in Jegi-dong, Cheongnyangni, Seoul, serving Hamheung naengmyeon, dakgomtang, and hanwoo gomtang. It offers mul naengmyeon, bibim naengmyeon, and hoe naengmyeon, and hongeo hoe muchim can be ordered as well. The mul naengmyeon has a strong vinegar taste, and the bibim naengmyeon is notably spicy. The naengmyeon and gomtang are on the expensive side even considering Gyeongdong Market prices.