we are factory of pbt yarn,spandex covered yarn, for socks, underwear, knitting fabric, weaving fabric and sweater,export Features:(1) ... cover yarn .It can be used as the material for socks,sweater , jeans ,knitting cloth ,woven cloth and seamless underwear .It ... as follows:1.products for large-circular knitting machine(for socks)A2040,T2040;A2050,T2050;A2070,T2070;A4070,T4070;A40150,T40150 ...