IT IS SUITABLE FOR ALL KINDS OF DIFFERENT SIZE OF SPINNING FRAMES AND TWISTING MACHINES. DOFFING AND DONNING DEVICE It is Suitable ... ),small size, highly-automated, easy to operate and fix. 4)spinning frames motor-driven doffer’s yarn-adjusting rate is above 99 ... 99%, and breaking rate is lower than 2%. 5)The spinning frames can automatically doffer. 6)spark-proof BOBBIN DOFFING AND DONNING ...