... month. 3. 720 colors for our color card Polyester sewing thread1. Ningbo Asmor Industria Co.,Limited is specialized in manufacturing all kinds of sewing thread and ... customers' requirements. we have 20s/2,20s/3,20s/6,30s/2,30s/3,40s/2,40s/3,50s/2,50s/3,60s/2,80s/2,80s ... staining of enviromental protection features.3.technical target SpecThe average strength CN/50CM>=C.V.of single yarn CV%=Twist of T ...