Hot Melt Coater,roller film coater, sv(servo) 1.For paper, PP, PET; 2.High precision,non pollution; ... .No scratches effect. Hot Melt Coater,roller film coater, sv(servo) Hot melt coater,hot melt roller coater ,roller coater ,roller ... delicate and good breathability.2. The use of frequency or servo tension control, can precisely control the tension, non-wrinkling, deformation ...