Cheongnyonggwan is a Chinese restaurant in Busan that has served tangsuyuk and jjajangmyeon for decades. It offers beef tangsuyuk, Sichuan-style tangsuyuk, and regular tangsuyuk in small, medium, and large sizes. The restaurant has many dine-in customers, a large dining hall, and delivery service. Tangsuyuk sets are available, and they include jjajangmyeon.