At the beginning of this month, Shan Huang of Ringdoll led a discussion on the origin and development of ball jointed dolls at the Yuzuo Huangshan- Humanoid Art Exhibition in the Golden Stone Art Museum.
Attcached in a PDF of a short article about the presentation with photos of dolls displayed in the museum galleries. (A few of the photos from the PDF may be seen below)
From the company: