DTY: Drawn textured yarn , also known as polyester low-stretch yarn, it is a finished yarn that is continuously or simultaneously stretched and deformed on a machine. FDY: Fully drawn yarn , it has nothing to do with the production process, but it is now widely circulated. It is used as the code name of the spinning and drawing one-step process. Low-speed spinning and high-speed drawing and winding can be used. The two processes are completed on a spinning and drawing combined machine. , This production line has low production cost, stable quality of finished products, less hair breakage, and good dyeing uniformity. DTY fiber is crimped, FDY fiber is straight. DTY network yarn : the network yarn refers to the filament in the network nozzle, the filaments are intertwined with each other through the action of the jet airflow to form a periodic network point. Network processing is mostly used for the processing of POY, FDY and DTY. The low-elastic ne...