... of cloth-feeding holder, folder, wallboard frame, calender roller part, main drive part, hydraulic system and ... such several small cylinders then pressurize to upper calender roller, the specific structure is as the ... batching deviceCloth guider1setHydraulic station1setMetal detector2setsSeam detector1setAnti-static device1setNipco calender nylon sleeve with flange1pcCooling use air conditioner( ...