... produce excellent cops for presetting length. The drafting is the optimal design. FA507 Ring Spinning Machine1. High quality :Able to produce excellent ... width ,the distance between the centre of the two opposite spindles on either side of the machine is 680mm,which utilize the space effectively ... ,480,456,444,420,408,396,384,372,360,96 Ring diameter(mm)38,42,45Tube length(mm) 205,230Spun yarn ...