| 28 | | | HS Code for Inorganic chemicals; inorganic or organic compounds of precious metals, radioactive elements, rare land metals or isotope metals |
| 2822 | | HS Code for Cobalt oxides and hydroxides; commercial cobalt oxides |
| | 28220010 | Cobalt oxide |
| | 28220090 | Other cobalt oxides and hydroxides |
| 2823 | | HS Code for Titanium oxides |
| | 28230000 | Titanium oxide |
| 2824 | | HS Code for Lead oxides; red lead and orange lead |
| | 28241000 | Litharge (yellow lead, huang dan) |
| | 28249010 | Red lead and orange lead (tetroxide (iii) lead) |
| | 28249090 | Other lead oxides |
| 2825 | | HS Code for Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides hydroxides and peroxides |
| | 28251010 | Hydrazine hydrate |
| | 28251020 | Hydroxylamine sulfate |
| | 28251090 | Other hydrazine, hydroxylamine and their inorganic salts |
| | 28252010 | Lithium hydroxide |
| | 28252090 | Lithium oxide |
| | 28253010 | Vanadium pentoxide |
| | 28253090 | Other vanadium oxides and hydroxides |
| | 28254000 | Nickel oxides and hydroxides |
| | 28255000 | Copper oxides and hydroxides |
| | 28256000 | Germanium oxides and zirconium dioxide |
| | 28257000 | Molybdenum oxides and hydroxides |
| | 28258000 | Antimony oxide |
| | 28259011 | Tungstate |
| | 28259012 | Tungsten trioxide |
| | 28259019 | Other tungsten oxides and hydroxides |
| | 28259021 | Bismuth trioxide |
| | 28259029 | Other bismuth oxides and hydroxides |
Harmonized Tariff Schedule of China inquiry: textile
