... , such as 40/2, 60/2, 75/2 of cotton thread, polyester yarn, high stretch yarn and mercerized yarn. It ... ;4. Smooth and flat pattern, favorable thread arrangement; increase utilization of thread, decrease thread broken and bobbin deformation.Automatic bobbin winder ... delivery system.2.Automatic bobbin supply checking system.3.Automatic thread cutting function.4.Good features of high reliability, low ...