Tang Ying, alias Jun Gong, who was decreed to supervise porcelain production in Jingdezhen during the early 18th century.
The emperor ordered that:
“Send these Pictures to Tang Ying to compose text describing in detail on every picture. The sentences should be refined and the numbers of wordings should be evenly distributed about 10 characters more or less in number. The mountains and the rivers where the raw materials were extracted, clay and water, the artisans involved, all must be named in detail. Then he should return all the 20 copies of the pictures together with text in series of their order of procedures in the making. That’s it, I am here to command you”