... wave(or TT ), piled yarns or so, made from acrylic, polyester, nylon, spandex, wool, Mohair, Lurex, Modal, etc. ... wave(or TT ), piled yarns or so, made from acrylic, polyester, nylon, spandex, wool, Mohair, Lurex, Modal, etc. Furthermore ... to supply all fancy yarns to meet virtually any need.Yusheng's yarns are now developed fast ... capitalize on the rapid expansion of thebusiness. Dyed Rayon TT Yarn