Used and Characteristics: ◆ Semi-automatic chain-paper feeding and double side check plate positioning to gurantee accuracy of feeding and printing; ◆ CAD modular design enables arbitrary combination of single, double, multiple color printing units; ◆ Motorized detachment and combination, pneumatic locking and loosening of printing units, The illustration hint to increase the safety in operation; ◆ The inker automatically breaks away from surface to protect printing plate from damage in case of mechanical shutdown; ◆ Spontaneous-suction ink furnishing device, Can control alone auto idling circulation of reticulate roll to prevent ink from being dride with auto cleaning. ◆ All the rolls and shafts are hard-chrome plated; ◆ Plate-hanging devices are adopted for big drum printing plate, which can be adjusted quickly in axial direetion to make pasting easier and time & labour sowing; ◆ Quick phasing 360o regulation is adopted is slotting part of drum printing plates, digital display. The slotting part has electrie phase adjustment to improve efficiency; ◆ Automatic couting devices are adopted which can control the production quatity. ◆ The knives for slotting and slicing corner are speically designed and processed with long service life.