Adopt servo-driven lead edge feeding mechanism:paper feeding and conveying controls more efficient,avoiding of paper hurting,combining turns to be simple and quick,suitable for various paper boards in different thickness and sizes due to the fan motor with frequency inversion.Wallplates, platforms, basement, these five key parts adopt best quality cast iron, No.QT500-7 Core parts, like worm and worm gear adopt tripple-head structure, ensure it running stable and efficient, Drive mode for main machine adopt synkro belt, running more speedy and steady.