1.rotogravure printing machine 2.print cellophane,BOPP,PET,PVC,PE,aluminum foil,paper ... motors control the main motor, unwinding and rewinding, and tension of them. (seven motors controlled) 2. Lengthways and transverse accuracy are ... wind circulation, sewed source and protea wnvironment. 6. Pnenmatic pressure knife, single motor controls the moving way, the moving frequency is ...