What contribution did Yan Di and Huangdi make in the legendary era?

Yan Di is one of the ancestors of China, and is also called the ancestor of China with the Yellow Emperor. They are also called Chi Di and Shanshi Lie. They were born about 5,000 years ago on the banks of Jiang Shui (now Baoji City). Emperor Yan made lei and planted grains. Establish the market and open the market for the first time. Use hemp as cloth, and people wear clothes. Make banjo to entertain people. Cut wood into bows to rule the world. Make pottery to improve life. He is the humanistic ancestor of the Chinese nation. He formed an alliance with the Yellow Emperor and gradually formed the Huaxia nationality. Thus formed the descendants of the Chinese people.

The Yellow Emperor (English: The huangdi；; Yellow Empire) (27 17- 2599). Xuanyuan Huangdi is the ancestor of the Chinese nation, the ancestor of mankind and the leader of the ancient tribal alliance in China. Shaodian's son, surnamed Gongsun, has lived in Jishui for a long time. Because he changed his surname to Ji and lived in Xuanyuan Mountain (in the northwest of Xinzheng, Henan Province, which is controversial), he was named Xuanyuan. He was born, started a business and built his capital in Xiong (now Xinzheng, Henan), so he is also called Xiong. Because of his virtue, he was named the Yellow Emperor. He first unified the great achievements of the Chinese nation and went down in history. He planted hundreds of plants and trees, vigorously developed production, began to make clothes, built ships and cars, invented the compass, set up arithmetic, made music, and created medicine. In the meantime, he has something to say. The Yellow Emperor is the head of the five emperors and has four wives, including Lei Zu and Mo Mu.