Sewing thread Quality Approved:ISO9001 Speciafications(TFO and Ring twist):12/3, 20/1,2,3 30/2 3,40/1, 2 3,42/2,50/2 3,60/2 Sewing thread/spun polyester sewing thread/ raw white thread Quality Approved:ISO9001 Material : Polyester staple fiber...