... can produce various core yarn, such as cotton/poly core yarn, poly/poly core yarn, rayon/nylon core yarn, rayon/spandex core, ... yarn: for the spandex covered with cotton20D,30D,40D,70D,105D,120D available Viscose Cotton T/R CVC T/C Spun ... yarnSpandex 20d~140dSpandex coverd Cotton yarn 1: Viscose 16s/1-2 20s/1 ... T/C 32s/1-2 45s/1-2 6: Spun yarn 10s/1-2 16s/1-2 20s/1-2 30s ...