... 1800 Rolling speed (m/min):100~400 High vacuum coating machine winding-type vacuum in polyester, polypropylene, polyethylene and other film ... with fast and reliable high-vacuum pumping system. With the pumping speed, large displacement, high vacuum of good quality. Vacuum system also uses ... ~400100~400structureDouble roomDouble roomDouble roomDouble roomoccupation of land12×9×4.512×9×4.512×12×512×12×5