1. make nylon yarn FDY semi dull 20D--210D 2. 20/7, 30/12, 30/24, 40/12, ... & HIGH TECHNOLOGY FIBER CO., LTD. We professionally make 100% nylon yarn, polyester yarn and cationic polyester yarn FDY ( full drawn ... yarn from 50D to 300D.The nylon FDY and DTY yarn is from 20D to 210D.The dope dyed black yarn ... .Tel: 0086-573-82583737Fax: 0086-573-83227588Mobile: 0086-13928423297 nylon FDY yarn, SD, 20D--210D