The Apstar HG2 range are mobile machines, with gear drive,vacuum sheet transfer for accurate transmission of warp corrugated paperboards. Optional drying devices of hot air, IR or UV facilitate full screen coated paperboard printing. Touch screen PLC is equipped for frequent order store, remote maintenance and fast trouble shooting. Automatic lubrication system keeps lubricant of all units at the same level. Furthermore, central dust collecting system and air-conditioning for electric cabinet of each unit are provided.