Wonseong Banjeom is a Chinese restaurant in Ssangmun-dong that has operated since 1977, an eight-minute walk from Exit 4 of Ssangmun Station. Its ganjjajang is a traditional style with little moisture and a salty taste, and its tangsuyuk comes with a lightly sweet sauce. Ordering a set menu brings complimentary gunmandu with thick filling. The batter on the tangsuyuk is on the firm side.