Hwanggeumseong Junggukjip is a Chinese restaurant near City Hall in Seoul that serves jjajangmyeon and jjamppong. Its menu includes yuni jjajang, jaengban jjajang, samseon jjajang, and samseon jjamppong, and the noodles are chewy. On weekdays between noon and 1 p.m. office workers crowd in, but tables turn quickly and the wait shortens fast. The samseon jjamppong contains seafood and 12 ingredients, and the broth is moderately spicy.