Porcelain · Technique
Brush-applied cobalt or copper decoration beneath glaze, fundamental Jingdezhen technique.

Technique
Decoration applied by brush directly to the unfired or biscuit clay body, beneath the glaze, before the primary firing. The foundational decorative technique of blue-and-white and underglaze red production. Brush quality, pigment concentration control, and compositional coherence are primary assessment criteria.
Contemporary objects connected to this tradition