The machine uses the SAT font specified standard number of VAT invoices Font: Word High 4.85MM, word width 2.6MM, 8-digit total length 29.3MM .. The factory can provide users with complete refit the user to get the modified machine as long as the invoice number inked figures can play yard, play 2 to 4 linked carbon-free paper and the printing press play yards effect can be the same effect as a code. 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, not hand printers can also be used to cover, you can also supporting hand pressure punch, punch can be fixed number of machines, to play two together four together, the effect is similar to the effect of the printing press play yards .