1. Huaxia Bookstore (Sanya Pedestrian Street Store): The address is No.23, Nanliu Lane, Sanya Pedestrian Street, Tianya District, Sanya City, Hainan Province. Bookstores sell all kinds of Four Treasures of the Study, including inkstones.
2. Sanya Hairun Painting and Calligraphy Institute: Address: No.283 Huixin Village, Tianya District, Sanya, Hainan. The painting and calligraphy institute provides all kinds of calligraphy supplies and inkstones.