In which dynasty did China invent cloth? Why not write on the cloth?

Economic base consideration. Cloth is too expensive, and the reuse rate is low, so it is not suitable for preservation. In ancient China, dressing was sometimes a problem, and writing with cloth was too extravagant. In the middle ages, writing on cloth was not popular, and many of them were sheepskin. Culture and knowledge are monopolized by Christianity, knowledge cannot be popularized, and people's intelligence cannot be improved, which indirectly affects the historical process. China was a scholar-bureaucrat who monopolized knowledge. Before the Tang Dynasty, the gate valve system was deeply rooted. Moreover, due to the problems of transportation and national civilization, civilians may not be able to afford paper.