100% Spun polyester yarn: 1)Dyed tube / paper cone 2)ISO9001:2000 3)Raw Material:SINOPEC Yizheng Staple 100% spun polyester yarn for sewing thread1)The product have got the ISO9001:2000 certificate2)Specification: 20S/2, 20S/3, 40S/2, 40S/3, 50S/2, 50S/3, 60S/2, 60S/33)Model Number: Dyed tube, Plastic cone , Paper cone4)Quality: high quality, high tenacity, high grade of evenness, little knots ...