Sinjageumseong is a Chinese restaurant in the Hannam Heights shopping arcade in Oksu-dong, Seoul, serving delivery Chinese dishes such as jjajangmyeon and jjampong. A pairing of chadolbagi jjampong and chapssal tangsuyuk is available. The tangsuyuk is crisp, while the jjajangmyeon and jjampong taste freshly made. The restaurant's flavours changed in 2026.