Ming Zhiyan was looking at her bright smile, she also smiled and replied in a low voice, "You don't have to be polite with me."
Then, he helped her grind the ink while Jian Qingqing lowered her head and started writing quietly.
Her writing style now had its own style, and it was very smooth. It was different from the slender body of this era, and her personal style was very obvious.
It was not difficult to make thin salt on a large scale. When she watched documentaries in the past, she had seen some recipes for making salt from salt farms. However, in modern times, it was mechanized, so it could be changed to manual work. She could use a piece of paper to write out all the steps in detail.