Product classification
HS code for Pulp mill equipment: 8439.10
Machinery, for making pulp of fibrous cellulosic material.
Classification of pulp mill equipment under HS 8439.10
Pulp mill equipment is classified under HS code 8439.10, which covers machinery for making pulp of fibrous cellulosic material. This classification is based on the functional application of the machinery within the production cycle of paper and paperboard. Heading 8439 is dedicated to the specialized machinery used in the pulp and paper industry, and subheading 8439.10 specifically targets the initial stage of the process: converting raw materials like wood, rags, or waste paper into pulp. This includes mechanical, chemical, and semi-chemical pulping processes. Under the Section XVI notes and Chapter 84 rules, machinery that performs a specific function described in a heading (like pulping) is classified there, even if it could potentially fall under a more general heading like 8479 (general machinery).
- Covers
- Wood pulp digesters for chemical pulping
- Mechanical wood grinders for groundwood pulp
- Pulp refiners and deflakers
- Pulp washing and bleaching equipment
- Screens and cleaners for raw pulp processing
- Also under 8439.10
- Valmet pulp mills
- Andritz pulping equipment
- Voith pulping systems
- Kadant stock preparation machines
Codes often confused with 8439.10
Common mistake. A frequent misclassification occurs with HS code 8439.20, which is intended for machinery used in making paper or paperboard from the pulp. While the machines are often in the same factory, the distinction between 'making pulp' (8439.10) and 'making paper' (8439.20) is critical. Another error involves wood-chipping machines; if the machine is a general-purpose wood chipper, it may fall under 8465.99 (machine tools for working wood), whereas if it is integrated into a pulp line, it might be argued as 8439.10. Additionally, auxiliary equipment like pumps or valves used in a pulp mill must be classified under their own respective headings (8413 or 8481) rather than 8439.10.
Top exporters and importers of HS 843910 (the code used for pulp mill equipment), 2025
In 2025, the largest exporter of HS 843910 (the code used for pulp mill equipment) in UN Comtrade data was China, with 34% of world exports; the largest importer in UN Comtrade data was Brazil, with 46% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 843910, not only pulp mill equipment.
Top exporters 2025 · share of world exports
- 1 China $100M 34% of world exports
- 2 Sweden $61M 21% of world exports
- 3 India $30M 10% of world exports
World total: $293M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 Brazil $245M 46% of world imports
- 2 Indonesia $41M 7.7% of world imports
- 3 China $38M 7.1% of world imports
World total: $531M Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM codes for pulp mill equipment
Brazil splits HS 8439.10 into 4 NCM codes. Pick the one that matches your product:
- 8439.10.10Pulp raw material pre-treatment machinery
- 8439.10.20Pulp screening and cleaning machines
- 8439.10.30Pulp refiners
- 8439.10.90Other pulp-making machinery
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about pulp mill equipment
What is the HS code for Pulp mill equipment?
The HS code for Pulp mill equipment is 843910 (Machinery; for making pulp of fibrous cellulosic material). The primary HS code for machinery dedicated to making pulp from fibrous cellulosic material is 8439.10.
How do I classify Pulp mill equipment for customs?
Pulp mill equipment is classified under HS code 843910 — Machinery; for making pulp of fibrous cellulosic material. This is a 6-digit subheading level code.
Does this code include paper-making machines?
No, paper-making machines are classified under HS code 8439.20. HS code 8439.10 is strictly for the machinery that produces the pulp itself.
Which countries are the top exporters of pulp mill equipment (HS 843910)?
In 2025, the top exporters of HS 843910 (the code used for pulp mill equipment) in UN Comtrade data were China ($100M, 34% of world exports), Sweden ($61M) and India ($30M). World exports came to about $293M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of pulp mill equipment (HS 843910)?
In 2025, the top importers of HS 843910 (the code used for pulp mill equipment) in UN Comtrade data were Brazil ($245M, 46% of world imports), Indonesia ($41M) and China ($38M). World imports came to about $531M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Pulp mill equipment the same in all countries?
The base HS code 843910 for Pulp mill equipment is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for pulp mill equipment in Brazil?
Brazil splits HS 843910 into 4 NCM codes, so the right one for pulp mill equipment depends on the product's details: 8439.10.10 (Pulp raw material pre-treatment machinery), 8439.10.20 (Pulp screening and cleaning machines), 8439.10.30 (Pulp refiners), 8439.10.90 (Other pulp-making machinery).