| 28 | | | HS Code for Inorganic chemicals; inorganic or organic compounds of precious metals, radioactive elements, rare land metals or isotope metals |
| 2825 | | HS Code for Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides hydroxides and peroxides |
| | 28259011 | Tungstate |
| | 28259012 | Tungsten trioxide |
| | 28259019 | Other tungsten oxides and hydroxides |
| | 28259021 | Bismuth trioxide |
| | 28259029 | Other bismuth oxides and hydroxides |
| | 28259031 | Tin dioxide |
| | 28259039 | Other tin oxides and hydroxides |
| | 28259041 | A niobium oxide |
| | 28259049 | Other niobium oxides and hydroxides |
| | 28259090 | Other metal oxides and hydroxides |
| 2826 | | HS Code for Fluorides; fluorosilicates fluoroaluminates and other complex fluorine salts |
| | 28261210 | Anhydrous aluminum fluoride |
| | 28261290 | Other aluminum fluoride |
| | 28261910 | Ammonium fluoride |
| | 28261920 | Sodium fluoride |
| | 28261990 | Other fluoride |
| | 28263000 | Hexafluoro sodium aluminate (cryolite) |
| | 28269010 | Fluorosilicate |
| | 28269020 | Lithium hexafluorophosphate |
| | 28269090 | Fluoro-aluminate and other fluoro complex salt |
| 2827 | | HS Code for Chlorides chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides |
| | 28271010 | Fertilizer with ammonium chloride |
| | 28271090 | Non-fertilizer with ammonium chloride |
| | 28272000 | Calcium chloride |
| | 28273100 | Magnesium chloride |
Harmonized Tariff Schedule of China inquiry: textile
