STA Li Xiubi is made in Zhaoqing, Guangdong, China, with beautiful strokes, moderate hardness, uniform ink, quick drying and waterproof. It is easier to control the thickness by imitating some details in brush calligraphy. The nib will not split, and it is not easy to write too heavy or too light. It is also very popular in the hard pen calligraphy competition, and many winning works are written by Stacey. The strokes written are smoother and more delicate.