New-type Chemical MaterialChina Synthetic Filament Tfo Quality Polyester Spun Yarn for Sewing 20s/2, 20s/3, 30s/2, 40s/2, 40s/3, 42s/2, 50s/2, 50s/3, 60s/2, 60s/3 with Oeko-Tex Certification, Find details and Price about China Sewing Thread, Polyester Sewing Thread from Synthetic Filament Tfo Quality Polyester Spun Yarn for Sewing 20s/2, 20s/3, 30s/2, 40s/2, 40s/3, 42s/2, 50s/2, 50s/3, 60s/2, 60s/3 with Oeko-Tex Certification