Daily Fix Jangmi Sangga is a hamburger restaurant in the basement of Jangmi Sangga in Songpa-gu, Seoul, near Jamsil Station and Olympic Park. It serves handmade burgers made with 100% Hanwoo beef patties. The bacon cheeseburger comes with thick handmade bacon and a soft, juicy Hanwoo patty. Classic Burger and chili cheese fries are also on the menu, and the portions of the burger and chicken items are generous.