How to use ink in ancient China?

In ancient China, ink was used. Before Qin dynasty, toner was mixed with water, and ink pills and tablets were made in Qin and Han dynasties. Later, the Han Dynasty used ink to make various shapes. Molding ink has continued to this day. Since the birth of Wei Wei in Han Dynasty, famous ink painters with different styles and exquisite skills have appeared in 1700 years. However, due to years of loss, what can be preserved is rare and precious.