China is the first country in the world to produce textiles. The evolution and development of its weaving process and technology not only occupy an important position in the history of Chinese science and technology, but also occupy an important position in the history of world textiles.

The structural characteristics of the yarn have a certain relationship with the warmth of the clothing, because the structure of the yarn determines whether a static air layer can be formed between the fibers.

Experts in the textile industry pointed out that the research on modern antibacterial fibers was marked by the Domag report in 1935, when Domag reported that clothing treated with quaternary ammonium salts had antibacterial function. During World War II, the German military treated military uniforms with quaternary ammonium salts, greatly reducing the infection rate of the wounded. This is an important miracle in the textile industry and opened the door to the developm...

With the development of science and technology and the progress of society, the requirements of humans for textiles are constantly increasing, so the requirements for yarn quality have also raised higher standards. The development of human spinning technology has experienced a long process. The emergence of ring spinning methods has advanced the spinning technology to a new stage. However, due to the limitation of the spinning mechanism, the spinning speed of ring spin...