... for offset press and screen printer Auto Plate Exposure Machineexposure twice for offset press and screen printerPC control, keyboard ... optical shutter,primary&secondary exposure,time control,printing-down quickly.With air bleeding-twice system, sphere air admission system,clear lattice spotsTotally-enclosed ... supplyAC380/4.5KWLight evenness degree≥86%Net weight350Kg Auto Plate Exposure Machine