Zhang Yushan Calligraphy Association

The pastel hexagonal teapot (1899) in the late Qing Dynasty was so lame! It's worthless Keep it as a specimen.

Jingdezhen, formerly known as Changnan Town, is located in Fuliang County, Raozhou City, Jiangxi Province, at the intersection of the Yangtze River and its tributaries, surrounded by mountains.

Yushan is the painter's font size, which is not very famous, so I can't find his information.