Detailed Product Description Features:1) Uses: manufacturing of polyester, polypropylene, polyamide, and 3-dimension hollow fibers2) Mode: single sided and left and right handed3) Product fineness: 1.5 - 15d4) Spinning speed: 600 - 1200m/min5) Spinning space length: 750mmu 6) Spinning position: 4, 6, 8, 12, 16, 24, 327) Drawing speed: 280m/min (max), 240m/min (normal)