reliable. Zhi Zhi Calligraphy Studio has registered its trademark, obtained the certification from the industrial and commercial department, obtained the license for running a school, and has a legal business license. Zhi Zhi Tang Calligraphy and Painting Studio is well-known by its teachers, and it is set up by famous teachers who have been engaged in calligraphy and painting teaching for many years. Now it provides a platform for primary and secondary school students and those who are interested in learning calligraphy and Chinese painting, so it is reliable.