... % spun polyester sewing thread(20s,30s,40s,50s,60s,80s) with varous lengths and stands,which can beused in industry and ... *2 (40s/2)3000M, 5000MSuits, trousers, coats, Sewing of button-hole and button-sew, etc 14.8*3 (40s/3)2000M, 3000M, 5000Mheavy ...