Item: 100% Dyed Spun Polyester Sewing Thread Spec: 20S/2, 20/3, 30S/2, 30S ... 3, 60S/2, 60S/3, etc Item: 100% Dyed Spun Polyester Sewing Thread Spec: 20S/2, 20/3, 30S/2, 30S ... : 500 Tons per Month Most of our sewing thread is exported worldwide. Due to our large-scale capacity ... owing to our professional experience in producing sewing thread, our quality is always perfect. 100% Dyed Polyester Spun Sewing ...