... controlled qutomatically,big roll with oil heating,coating composite pneumatic control as well as double frequency ... no enough firming,glass paper,polyester ect.The composite material with hard strength,fireproof,anti-ventilation,anti-fatty ... Compound stratification2tier/timeMax.breadth of compound600,800,1000mmMax.composite widthφ700mmComposite velocity10-130m/minAdjustable temper150°CHeating gross ...