These machines are manufactured by M/s ELITEX, BD 200 SN MODEL. Machines and it is made by Czechoslovakia. In this OPEN END SPINNING MACHINES “SPIN BOXES” role is the vital one. Here the Drawing slivers are sent through the feed roll and further it is sent through the Opening roll of the Spin box. The Opening rolls are open the slivers and separate the Trash content and fiber. Finally the fibers are sent through the rotors and are twisted the yarn. At last, the entire process ends and the quality yarn is winded in the ceases.