... .simple operation JW318B Two for one twisting machine Application Range:Cotton yarn, wool yarn, polyester yarn, pure polyester, spandex, acrylic sewing thread and ... °, 15.24°, 16.68°, 19.09°, 21.86° Twisting direction S or Z Twist 85-2160T/m Spindle speed 4000-10000 ... are interested in, pls feel free to contact me! Textile machine-Two for one twisting ...