spandex yarn 1)ISO90001, oeko-Tex standard 100, SGS ... )20-1120D spandex yarnwe can produce 20D spandex yarn at AA grade with ISO90001,oeko-Tex standard 100 ... , SGS certificatesSpandex yarn tech parameter Elongation at break :630±30%Tension ... requestOur mission 1. high quality2. good service3. competitive price 4. punctual delivery Company paronama 20D hot selling long ...