Gongni is a Chinese restaurant with 30 years of history in the Sinsa ganjang gejang alley. It serves dongpa yuk, samseon gochu jjamppong, mul mandu, jjamppong, tangsuyuk, palbochae, and kkanpunggi, and the regular jjamppong comes with mideodeok and seafood in a clear broth. The building has three floors, with rotating tables on the second and third floors and square tables on the first floor. Portions of the dishes are on the small side.