Heading 5001: Silk-worm Cocoons Suitable for Reeling
Heading 5002: Raw Silk (not Thrown)
Heading 5003: Silk Waste (Including Cocoons Unsuitable for Reeling, Yarn Waste and … etc.
Heading 5004: Silk; Yarn (other than Yarn Spun from Silk Waste), not Put up for Retail Sale
Heading 5005: Yarn Spun from Silk Waste, not Put up for Retail Sale
Heading 5006: Silk Yarn and Yarn Spun from Silk Waste, Put up for Retail Sale; Silk-worm Gut
Heading 5007: Woven Fabrics of Silk or of Silk Waste