... offset printing machine ZHJY-6 plastic cup offset printing machine used for 4-color,5-color,6-color machine plastic cup offset printing machineZHJY-6 plastic cup offset printing ... for ZHJY-6 Six-color Camber,Rotay offset Machine adopts,ensuring flexible,convenient and stable and ... plate is installed as automatic strain to upper and down conveniently,It's easy to color registerSupension arm of printing ...