Somunnan Makchang is a makchang restaurant in Jwa-dong, Haeundae, Busan, serving beef abomasum and mixed pork grills. It also serves samgyeopsal and pork jowl, with a different sauce for each cut. The restaurant has been open for over ten years, and staff grill the meat for customers. The cheonggukjang is boiled again when rice is added to it.