... friction type double cut double winders, computer concentrate control system ect. Advance technique and equipments, compare with kindred ... structure, higher output, better produce quality, less energy consume, easier operation. It can be widely used into various ... systemAIR RING STRUCTURE FORMDouble vents air ringROTARY TRACTION SYSTEM FORMHORIZONTAL 360 DEGREETRACTION SPEED45-120M/MIN TOTAL POWER ...