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:ISO9001Material : Polyester staple fiber 1.3D*38MMSpeciafications :20/1 40/1 20/2 30/2 40/2 42/2 50/2 60/2 12/3 20/3 30/3 40/3 50/3 60/3 20/4 TFO and Ring twist ones we can supplyProduct ...