... yarn is mainly used for manufacture of powerful, producing socks, underwear, sports Shandeng. Nylon staple fiber primarily with viscose rayon, cotton, wool and ... tire cord industry, parachutes, fishing nets, ropes, belts and so on.The company offers 20D/1F, 30D/1F ... various specifications FDY, HOY nylon filament and various specifications nylon filament and filament twisting business, may come to ...