Following in the footsteps of the 3series, which underwent a complete overhaul last year, the models of the new 4 series feature a wide range of technical innovations designed to address the specific needs of users. Holzma drew on a wealth of experience provided by international companies from both the trade and the industrial sector and refined the series to meet their particular requirements.
Nella scia della terza serie, completamente revisionata lo scorso anno, i modelli della nuova serie 4 si caratterizzano per numerose innovazioni tecniche studiate per rispondere alle esigenze specifiche di ciascun utilizzatore.