inkjet printer is a high-tech product which uses charged ink particles and is deflected by high-voltage electric field to print patterns, characters and numbers on the surfaces of various objects. Products are widely used in food industry, cosmetics industry, pharmaceutical industry, automobile parts processing industry, wire and cable industry, aluminum-plastic pipe industry, tobacco and alcohol industry and other fields. It can be used for printing production date, batch number, bar code, trademark pattern, anti-counterfeiting mark and Chinese characters. It is a powerful equipment for implementing health law and promoting packaging modernization.

the theory of inkjet printer was invented in the late 196s, and it was not until the late 197s that the world's first commercial inkjet printer was produced.