The machine uses the SAT the new font specified standard VAT invoice number font: character height 4.2MM, word width 2.45MM, 8-digit total length 29.2MM factory can provide users with complete refit users get modified invoice number. Just inked machine can play yards, play 2 to 4 linked carbon-free paper and the printing press play yards effect can play on the same digital code effect. Product steel material. Change machine can select vertical and horizontal, reverse or carry-forward mode. This machine has a long life, into the reset flexible, low rate of wrong numbers can be widely used in all kinds of specifications multifunction offset printing, paper printing presses, supporting the collating machine, the hand can be used to cover, no printer also may be supporting hand pressure punch, punch can be fixed number of machines, you can play two linked four-linking, the effect and the effect of the printing press play yards similar.