1. Location: Rong Xuanzhai is located in Suzhou City, Jiangsu Province, and Rong Baozhai is located in Xuzhou City, Jiangsu Province.
2. Collection features: Rong Xuanzhai mainly collects rare books of ancient books, calligraphy and painting, bronzes, jade articles, calligraphy and painting and other cultural relics. In Rong Baozhai, Four Treasures of the Study (stationery, stationery) and ancient porcelain are the main collections.