The machine USES 3/16 "high gothic standard number word, word: 4.85 mm, 2.7 mm wide, thickness: 0.43 mm, spacing: 3.83 mm. 7 a total length of 25.7 mm.All the steel quality.With (or without) reset spring backward or forward carry way.Can be widely applicable to various types of NP series rotary offset printing machine and printer paper form.This product can according to user requirements, implement carry on both sides of swinging rod installation number or number 0 bit subsidence displacement can be printed four, five, six or seven. And to undertake various non-standard order.The machine has long service life, into the reset flexible, low rate of wrong number, etc.Font font height and digits and spacing can be customized according to customer's request.The machine model (diameter) : 16.7 ", 171 ", 18.9 ", 22 ", 22.263 ", 24 ", 25.97 ", 29.68 "and 29.68" and 37.1 ".Jump, jump - 10, 2.Available to all kinds of imported and domestic multifunctional offset press, paper printing business form, gathering machine systems.Widely used in printing all kinds of industrial and commercial invoice, traffic tickets, bank notes, securities, anti-counterfeiting code number, etc.This product can also according to user requirements to undertake various non-standard order.