25 | | | HS Code for Salt; sulfur; land and stones; plaster, cal and cement |
| 2505 | | HS Code for Natural sands of all kinds whether or not coloured other than metal-bearing sands of chapter 26 |
| | 25051000 | Silica sand and shi ying sand |
| | 25059000 | Other natural sands, whether or not colored |
| 2517 | | HS Code for Pebbles gravel broken or crushed stone of a kind commonly used for concrete aggregates for road metalling or for railway or other ballast shingle and flint whether or not heat-treated; macadam of slag dross or similar industrial waste whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules chippings
and powder of stones of heading
2515 or 2516 whether or not heat- treated |
| | 25171000 | Pebbles, gravel and crushed stone, gravel and flint round |
| | 25172000 | Slag, dross and similar industrial waste |
| | 25173000 | Bitumen macadam |
| | 25174100 | Crushed marble, chips and powder |
| | 25174900 | Items 2515 and 2516 included in other stone like nibs |
26 | | | HS Code for Ore, slim and gray |
| | 26169000 | Other precious metal ores and concentrates |
| | 26209990 | Ash & residues containing other metals and compounds |
28 | | | HS Code for Inorganic chemicals; inorganic or organic compounds of precious metals, radioactive elements, rare land metals or isotope metals |
| 2801 | | HS Code for Fluorine chlorine bromine and iodine |
| | 28011000 | Chlorine |
| | 28012000 | Iodine |
| | 28013010 | Fluorine |
| | 28013020 | Bromine |
| 2802 | | HS Code for Sulphur sublimed or precipitated; colloidal sulphur |
| | 28020000 | Sublimation, precipitation, colloidal sulfur |
| 2803 | | HS Code for Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) |
| | 28030000 | Carbon |
| 2804 | | HS Code for Hydrogen rare gases and other non-metals |
| | 28041000 | Hydrogen |
| | 28042100 | Argon |
| | 28042900 | Other noble gases |
| | 28043000 | Nitrogen |
| | 28044000 | Oxygen |
| | 28045000 | Boron, tellurium |
| | 28046117 | Electronic industry single crystal silicon rod diameter >=30cm |
| | 28046119 | Electronic industry 7.5cm<= diameter<30cm single |