... after-service support 3.Can be customized Rolling PVD Coating Machine Introduction: High Vacuum Rolling Coater is specially designed equipment for coating ... , Roots pump, mechanical pump, uses electro-pneumatic valve;3. The Rolling system uses 6 to 10 groups of rollarounds, the wind ... /min;4. Total power: 4.5×4.5×2.6 . Rolling PVD Coating Machine