Three Chinese-made calligraphy brushes Shanghai Shu Hua Brush Factory The brush brands "Lao Zhou Huchen Brush" and "Li Dinghe Brush" are listed. Shanghai Shu Hua Brush Factory is a long-established manufacturer known for producing traditional Chinese calligraphy and painting brushes. Shanghai Zhou Huchen, rooted in the Lao Zhou Huchen Brush, is one of the most famous brands, known for its high-quality brushes used in Chinese traditional arts such as calligraphy and ink wash painting. All three brushes are marked with "Shanghai Zhou Huchen." The tips of the brushes have black ink stains, so the medium and small brushes are used items. The large brush is unused.