Sini is a Chinese Islamic calligraphic form for the Arabic script. It can refer to any type of Chinese Islamic calligraphy, but is commonly used to refer to one with thick and tapered effects, much like Chinese calligraphy. It is used extensively in mosques in eastern China, and to a lesser extent in Gansu, Ningxia, and Shaanxi. A famous Sini calligrapher is Hajji Noor Deen Mi Guangjiang.
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