TDY series printers are used to print manufacture/expiry date, lot number sing or logo on bottles, papers, cups or boxes based on every type of material, such as plastic or metal, with fast printing speed, cute and clear letterform. Printing speed is adjustable. The date or sign is chiseled by chemical reaction onto steel printing board.

TDY-380B pad printer, Ink is kept in ink-cup, so it has advantage of keeping ink clean and save ink and keep ink from drying over knife-scraper model. Additionally, the round printing board has inner rotatable circle which enlarge printing words.