What is the level of calligraphers in Ren Fuzheng?

National first-class calligrapher.

Ren Fuzheng, pen name: Shi Mu, influenced by her father since childhood, likes calligraphy (his father's teacher was one of the four great masters in Beijing, Tianjin and Tang Dynasties at that time), and still insists on writing, especially natural writing. He is good at cursive writing and is now studying Gao Bingshan's list.