HY128 Ring Spinning Frame is a new type Spinning Frame ... of optimum design theory, into which advanced tech HY128 Ring Spinning Frame is a new type Spinning Frame developed ... ,480,456,444,420,408,396,384,372,360Dia. of ring (mm)38, 42, 45Bobbin length (mm)205, 230Spinnable ... m)400-1950Twist directionZ or SDraft range10-50Draft mode3-line rollers, long and short aprons, pendulum arm weightingSpeed of ...