1721 Manufacture of corrugated paper and paperboard and of containers of paper and paperboard

17.21.1 Corrugated paper and paperboard and containers of paper and paperboard
17.21.11 Corrugated board, in rolls or sheets
17.21.12 Sacks and bags of paper
17.21.13 Cartons, boxes and cases, of corrugated board or corrugated paperboard
17.21.14 Folding cartons, boxes and cases, of non-corrugated paper or paperboard
17.21.15 Box files, letter trays, storage boxes and similar articles of a kind used in offices, shops or the like, of paper
17.21.9 Sub-contracted operations as part of manufacturing of corrugated paper and paperboard and containers of paper and paperboard
17.21.99 Sub-contracted operations as part of manufacturing of corrugated paper and paperboard and containers of paper and paperboard