Subheading 551011: Yarn; (not Sewing Thread), Single, of Artificial Staple Fibres, Co … etc.
Subheading 551012: Yarn; (not Sewing Thread), Multiple (Folded) or Cabled Yarn, of Ar … etc.
Subheading 551020: Yarn; (not Sewing Thread), of Artificial Staple Fibres, Mixed Main … etc.
Subheading 551030: Yarn; (not Sewing Thread), of Artificial Staple Fibres, Mixed Main … etc.
Subheading 551090: Yarn; (not Sewing Thread), of Artificial Staple Fibres, Mixed Main … etc.