Drawing process of the production of plastic fiber, fiber length, thickness, whiteness, gloss and other properties can be adjusted in the production process. And with excellent light fastness, wear resistant and easy to clean and no mildew, moth eaten etc.. Are widely used in the manufacturing of clothing fabric, cloth, transport belt, hoses, ropes, nets, electric insulated wire, medical suture, tire cord fabrics, and parachute. General can be made of plastic particles in solution or melt, extruded from the spinneret holes, after solidification and fiber. The product can be without stop filament, cut to length of staple fibers or without cutting tow etc..