Saw-Cut Blue and White Pen Holder

A blue and white pen holder with a sawn edge appeared in the world. Why is there a smooth saw edge on blue and white porcelain that is harder than steel? Why is there a nondescript hanging stone at the top of the pattern of the blue and white pen holder? Why did the scholar on the ship in the virtual depiction have no lower body? Why is the pen holder pattern so darkly colored? Why is there no rust in such fine blue and white flowers? Why should the secrets of porcelain making be written in a book? Can blue and white porcelain be made without Suma Liqing? How many people are spying on the secrets of this pen holder? Has the secret of this pen holder been solved? Purpose: Protect China's ancient craft traditions and prevent them from leaking out.