100% sewing thread yarn, 20s/2,40s/2,42s/2,44s/ ... the biggest factory which produce the 100% polyester sewing thread yarn in Liaoning province (HAICHENG CITY FEIHU TEXTILE CO., ... we produce about 40 ton 100% polyester sewing thread yarn. we have the yarn 20s/2, 40s/2,42s/2,44s ... knot , bright, less broken ends, low-elongation, well sewing function, we use the polyester staple bright vigin fiber (YIZHENG ...