Who is good at practicing regular script and pen font?

Most of them are from Si Mayan.

Si Mayan, a native of Xiaodukou Town, Li County, Hunan Province, was born in Hubei Public Security Bureau. He has won more than 30 awards in international and domestic painting and calligraphy competitions, participated in major national, provincial and municipal painting and calligraphy exhibitions, and his works have been exhibited in Japan, and he has been selected as one of the top 100 paintings and calligraphy works in China. Many works have been engraved in some large-scale forest of steles in China. I loved painting and calligraphy since I was a child, and I learned nutrition under the guidance of my parents, Mr. Sima Dong, with a solid foundation. He has won more than 30 awards in international and domestic painting and calligraphy competitions, and his works have participated in major painting and calligraphy exhibitions at home and abroad. Selected as a collection of 100 paintings and calligraphy works in China, many of which are engraved in some large-scale forest of steles in China. Its name has been compiled into the international dictionary of hard pen calligraphers. Mr. Wang has compiled and published more than 200 kinds of pens, brush copybooks, teaching materials and monographs, such as Kai, Xing, Li, Cao, Zhuan and Weibei, which have spread all over the country and are deeply loved by the masses, and are known as "the highest copybook in China".