Direct printing of all water absorbing materials such as corrugated board, honeycomb board, kraft board, acrylic, thin wood, etc。Model features: energy saving, environmental protection, continuous printing, high stability, non water retaining ink, no pollution, solid, liquid and gas discharge, stable paper running, adjustable gap, and position deviation less than 0.5mm; Stable printing quality, high color restoration, customized digital printing without plate making, convenient proofing; Quick version change and personalized customization. The pattern of each page can be customized. No need to wash the machine and change the mold, saving time; It is produced on demand and can be replenished at any time. Cost control intelligent control the whole machine is compact in structure, low in energy consumption and small in land occupation. It is especially suitable for the processing of small orders and bulk orders with simple human-computer interaction and easy operation.