What are the most important art design classics in China during the Spring and Autumn Period and the Warring States Period, their main contents and historical significance?

The most important classic of China's artistic design in the Spring and Autumn Period and the Warring States Period is Flower King Gong Ji, which is the earliest handicraft technical document seen in China at present and occupies an important position in the history of science and technology, arts and crafts and culture in China. This was also unique in the world at that time. The book ***7 100 words describes the contents of 30 jobs in six categories, such as carpentry, metalworking, leather, dyeing, scraping and grinding, and ceramics, reflecting the scientific and technological level achieved in China at that time. In addition, Kao Gong Ji also contains a lot of knowledge and experience in mathematics, geography, mechanics, acoustics and architecture.