Special high speed sewing machie,single silk sewing, lubricating automatically. Technical Features:1,This high speed sewing machine is suitable for the viscose, the nylon, the polyester fabric2,Fabric enter by open-width method, maximum width up to 2800mm3,Equip with four “λsharp” rollers4,Fabric leading rollers wrapped by PVC, actuated by the digital frequency changer5,Equip with tension roller, ...