| 84 | | | HS Code for Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof |
| 8421 | | HS Code for Centrifuges including |
| | 84211100 | Cream separator |
| | 84211210 | Drying capacity of not more than 10 kg of centrifugal dryers |
| | 84211290 | Drying capacity of more than 10 kg of centrifugal dryers |
| | 84211910 | Dehydration machine |
| | 84211920 | Solid - liquid separator |
| | 84211990 | Other centrifuges |
| | 84212110 | Household machines and devices for filtering or purifying water |
| | 84212191 | Ship ballast water treatment equipment |
| | 84212199 | Other devices for filtering or purifying water |
| | 84212200 | Machinery and equipment for filtering or purifying beverages |
| | 84212300 | Internal combustion engine oil filter |
| | 84212910 | Other filter presses |
| | 84212990 | Other liquid filtration, purification machines and devices |
| | 84213100 | Intake engine for internal combustion engines |
| | 84213910 | Household gas filtration, purification machines and installations |
| | 84213921 | Industrial electrostatic precipitator |
| | 84213922 | Industrial bag filter |
| | 84213923 | Industrial cyclone type dust collector |
| | 84213924 | Electronic bag compound dust collector |
| | 84213929 | Industrial use of other dust collector |
| | 84213930 | Internal combustion engine exhaust filter and purification device |
| | 84213940 | Flue gas desulfurization equipment |
| | 84213950 | Flue gas denitrification device |
Harmonized Tariff Schedule of China inquiry: textile
