1.Produced with Japanese machinery 2.Available for socks,underwear,narrow fabric 3.Large quantity and good quality ... 840D,1120D,1680D,2240D,2500D,4600D for textile. 490D,560D,620D,720D,840D,1120D,1680D for diaper. Soft spandex RYT902C 120D,180D ... produce white and black spandex.Usage: Covering core, air interlacing yarn, circularly knitting, warp knitting, weft knitting, stockings, covering with ...