Changdong Chammandu is a dumpling shop in Changdong, Seoul, making and selling meat dumplings and kimchi dumplings. The meat dumplings are filled with thick cabbage and meat, while the kimchi dumplings have a bright red, spicy filling. The shop takes phone reservations from around 7 a.m., and customers pick up their orders at the agreed time. The kimchi dumplings are strongly spicy, so they are hard to handle for people who cannot eat spicy food well.