As one of the Four Treasures of the study (brush, ink, paper and inkstone), ink is a necessity in Chinese traditional painting and calligraphy. Hui ink sticks, which are produced in Anhui Provinceās Huangshan (historically known as Huizhou), are famous for their rich, smooth and durable color. Watch this video to see how Hui ink sticks are made.
(Video source: Kuaishou)