An inkpad can replace an inkpad.
Ink line: Ink line is a unique treasure of China's research. It is needed for official document signing, historical relics and inscription calligraphy.
Printing ink: oily liquid specially used for printing table, with three colors of red, blue and purple; There are three kinds of printing inks: printing oil, ink ink and atomic ink.
Need to use inkpad or inkpad:
Invoice printing
Tax ticket filling management
Closed auction
Prohibition of import and export management
Art packaging