... a long time. The plasterboards after laminated with PVC film will become rainproof, fire-resistant and anti-static ... coating, pre-drying device, coated aluminum foil film, lateral flap institutions, secondary surface cleaning, secondary ... adopts electric or hydraulic lifting system.6.hot roller adopting heat-conducting oil ... PC3.Heating systemelectric heating roller 1KW 6 PCconveying roller 1.1 KW 1 ...