Red ink was used in the past to write deceased people's names on the family register.
You can then dip the stone in a dish of special red ink and stamp your chinese name on greeting cards.
Seal (East Asia) - Wikipedia
Our Chinese name stamp is a great gift for anyone interested in Chinese culture.
Custom Carved One of a Kind Stone seals
Rubber stamps are made with real rubber using the laser engraver process.
Don’t write a name using red ink in Korea - Creative Culture International
Custom Chinese/Japanese/Korean Hand Carved Name Seals with Sandalwood, Agate, Stone seals
Red Antique Chinese Seals
The seals can be custom carved in Chinese, Japanese, Korean, English or simple line art. These traditional seals are especially carved for calligraphers, artist and martial art instructors to sign their masterpieces and stamp on the certificates.