Spandex 20D+ Nylon 70D yarn, for making sweater or seamless underwear 1) Spandex 20D+ Nylon 70D yarn2) Air-covering or traditional-covering 3) Produced with Japanese-made or Italian-made machinery4) Common model: A2015, A2030, A2040, A2040/2, A2050, A2070, T2015, T2030, T2040, T2040/2, T2070, etc.5) Draft ratio range: wide (low elasticity, medium elasticity, and high elasticity)6) Employing the ...