What was the Chinese society like under the Xia Dynasty?

Xia dynasty is the first dynasty in Chinese history. It existed from the 21st century BC to the 16th century BC, and lasted for nearly 500 years. And it was a slave-owner's state. Economically, Xia dynasty is the era of the ex-use of gold (copper) and stones. Culturally, there are some of the outstanding cultural achievements of the Xia dynasty, such as the summer calendar, had a profound impact on future generations