... pbt yarn,spandex covered yarn, for socks, underwear, knitting fabric, weaving fabric and sweater,export Features:(1) ... large circular knitting machine and small circular knitting machine .our specifications as follows:1.products for large-circular knitting machine(for socks) ... A70200,T70200.4.products for seamless &small-circular knitting machineA2030,T2030;A2040,T2040;A2070,T2070;A4040,T4040;A4070 ...