This type of seal engraving usually uses ink.
Generally, stamping ink is mainly used for sealing official documents. The stamping ink is liquid, similar to red fountain pen water. Pour it into the ink pad when using. The color of the stamp is lighter.
Ink pad is mainly used for Chinese seal engraving. Ink pad is the material for making seals. The main reason is that the state of ink pad is similar to clay, and the seal produced is bright red, very bright and clear. It is mainly made from mugwort fiber, cinnabar and castor oil as basic raw materials, and is made through fine processing.