... factory of pbt yarn,spandex covered yarn, for socks, underwear, knitting fabric, weaving fabric and sweater,export Features:(1) ... socks,sweater , jeans ,knitting cloth ,woven cloth and seamless underwear .It also can be used for large circular knitting machine ... ;A40210,T40210;A40300,T40300; A70200,T70200.4.products for seamless &small-circular knitting machineA2030,T2030;A2040,T2040;A2070,T2070 ...