Spandex covered nylon yarns are used on the highest quality sweater, socks,fabrics, etc. 40/70, 20/70. 30/70, etc we can make. We are professional on producing spandex covered yarns. Adopt advanced technolyge and equipment, Whole Air covered yarns. It is different traditional technics" Ring Spun", which make quality is normal. Our products are very high quality come from improved technolyge.Our ...