Yangjisa Co., Ltd. manufactures and sells diaries worldwide. It is engaged in printing and bookbinding pocket and desk diaries, and exports stationery and diaries to 200 companies across 30 countries. The company distributes its products through large discount stores, bookstores and franchises, wholesale and retail outlets, and directly to companies and public institutions under the YANGJI names. Founded in 1976, it is headquartered in Gimpo, South Korea.