It is high performance: 720dpi resolution, fast speed: 4 pass 30 m2/h, high efficiency work: 24hours work do not break. Guarantee for machine quality: first, we must be sure all parts are refine before shipment, and each machine can print smoothly without any break, then we can make shipment; second, we have guarantee time for a year, our professional technician who can speak english, they will support you online, or they go to your country and train your technician. or you can send your technician to our company and study our machine. It is the best choice for you because of our good quality and after-service.