Lub tshuab npog-yarn muaj peev xwm tsim tau ob qho tib si npog thiab ob txheej npog uas muaj kev ua haujlwm siab heev thiab ua haujlwm kom muaj cov xov paj sib txawv raws li cov xov hlau cored, xws li spandex, tsis tshua muaj xov paj, elastic ribbon, filament, metallic. yarns thiab LVREX high stretch yarn;thiab muaj paj rwb xov paj, hluavtaws fiber ntau, polyamide, polyester, tiag tiag txhob lo lo ntxhuav thiab nws yog xim hlau yarns raws li cov yarns.