Hong Kong Banjeom 0410 Gwanak-gu Office Branch is a Chinese restaurant in Seoul that serves jjambbong, jjajangmyeon, and tangsuyuk. It sits in front of the Gwanak-gu Office, near Seoul National University Station. The gochu jjambbong is spicy, and the kkotbbang is served fried. Students and office workers make up much of the crowd, delivery orders are heavy, and waits are common at lunch, while the jjambbong broth runs salty.