![proimages/index/index-pro-bg.jpg proimages/index/index-pro-bg.jpg](https://www.ch-spandex.com/proimages/index/index-pro-bg.jpg)
Single Covered Yarn (SCY)
From 20/D to 140/D spandex yarn,
extending the spandex yarn as the center core,
then wrap one filament/staple in S-twisted (anti-clockwise) or
Z-twisted (clockwise) around extend spandex yarn outer layer.
Double Covered Yarn(DCY)
From 20/D to 2240/D spandex yarn,
extending the spandex yarn as the center core,
then wrap two filament/staple on the lower and
upper levels in mutually inverse way (S-twisted and Z-twisted)
around extend spandex yarn outer layer.
![proimages/index/index-app-bg.jpg proimages/index/index-app-bg.jpg](https://www.ch-spandex.com/proimages/index/index-app-bg.jpg)
![proimages/index/index-app-bg-s.jpg proimages/index/index-app-bg-s.jpg](https://www.ch-spandex.com/proimages/index/index-app-bg-s.jpg)
Application
Shoulder straps, Waist-bands ,Medical bandages , Lace, Accessories
Underwear, Sportswear, Ceremonial dress
Lycra, Danny Chief, Outer Cloth, Pants