... spandex air covered yarn factory, this yarn vailable for socks, underwear, knitting fabric, denim and sweaters. Features:(1)spandex ... according to customers' demands.ZhangjiagangChunfeng Uretham Elastic fiber Yarn Co Ltd is a professional manufacturer of spandex cover yarn ,also ... follows:1.products for large-circular knitting machine(for socks)A2040,T2040;A2050,T2050;A2070,T2070;A4070,T4070;A40150 ...