2. Yan Zhenqing in Tang Dynasty (Yan Ti): Regular script is dignified and majestic, and the pen is magnificent. Known as "Yan Ti" by the world, the masterpiece is "Duota Monument".
3. Liu Gongquan (Liu Ti) in Tang Dynasty: His regular script is clean and vigorous, with rigorous structure, delicate brushwork and straight brushwork. He is known as "Liu Ti" in the world, and his masterpieces include Mysterious Tower Monument and Shence Army Monument.
4. Zhao Mengfu (Zhao Ti) in Yuan Dynasty: Regular script is round, delicate, correct and rigorous, also known as "Zhao Ti" internationally, and his masterpiece is Rebuilding the Three-story Xuan Dian.