It belongs to the 23rd category of trademarks: 231 textile yarn, silk yarn *231, cotton yarn and cotton yarn 232, embroidery yarn and yarn 233, wool yarn and woolen yarn 234, coconut fiber yarn and yarn 236, silk yarn 237, worsted cotton 238, fine thread. Artificial yarn and yarn 2314, textile yarn and yarn 2315, spun silk 2316, elastic yarn and yarn for textile 2319※ doffing C231, brown yarn C232, elastic yarn (for textile) C233, polyethylene monofilament (for textile) C234, filament C235.