What was the method of casting ding in the Spring and Autumn Period? civil law

In the Spring and Autumn Period, Ding Zhufa was a written law.

There is no clear distinction between ancient laws and some civil laws and criminal laws, but they are collectively referred to as criminal laws, meaning punishment and law, which is different from today's criminal laws.

In the winter of 5 13 BC (13th year of Jin Qinggong), Zhao Yang and Yin Xun led the army of the State of Jin to build fortifications on the Rushui bank in the north-central part of Henan province. At the same time, they collected an iron drum from the people of Jin and cast an iron tripod on it, which was made public by Fan Gong. This incident also caused an uproar of public opinion at home and abroad, among which Confucius and Cai's criticism was the sharpest and fiercest.