Which three kinds of Four Treasures of the Study were invented by Anhui people?

Accurately speaking, Four Treasures of the Study was not invented by people from anywhere, but was born in.

Four Treasures of the Study-pen, ink, paper and inkstone, this statement originated in the Southern and Northern Dynasties, and these four treasures are all produced in Anhui. In particular, it refers to Zhuge Pen in Xuancheng, Anhui, Li Tinggui Ink in Huizhou, Chengxin Tang Paper in Huizhou, Anhui, and Weilong inkstone in Wuyuan, Anhui.

Four Treasures of the Study has changed since the Song Dynasty, especially in Xu Anbi (Xuancheng, Anhui), Huimo (Shexian, Anhui), Xuan Paper (Xuancheng, Jingxian, Anhui) and Duanyan (Zhaoqing, Guangdong, formerly known as Duanzhou). After the Yuan Dynasty, Hubi (Huzhou, Zhejiang) gradually flourished, while Xu Anbi gradually declined. After the reform and opening up, Xu Anbi gradually recovered its vitality.

Xuancheng, Anhui Province is the most authentic place of origin of Four Treasures of the Study in China and the world-renowned "hometown of Four Treasures of the Study, China".

Extended data:

The name "study" originated from the Southern and Northern Dynasties (420-589 AD) in the history of China. In particular, it refers to a scholar's study, which uses pen, ink, paper and inkstone, and is known as the "Four Treasures of the Study". In addition to Four Treasures of the Study, there are also pen containers, pen containers, ink beds, ink cartridges, handrails, pens, book towns, water spoons, inkstone drops, inkstone boxes, inkpad, Yin He, knives, stamps and drums. This is also an essential product in the research.

References:

Baidu Encyclopedia-Four Treasures of the Study