Old Jjajang is a Chinese restaurant near Saejeol Station in Seoul that serves jjajangmyeon, jjamppong, and tangsuyuk. The tangsuyuk comes with a ketchup-based sauce, and the noodle dishes are large in portion. Orders are placed in the dining room, and takeout is available. Many customers order jjaengban jjajang and tangsuyuk together, and the restaurant does not deliver.