Showing all published months. Partner preview tables include up to 5 countries.
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USD value by month, all available partner countries combined
Free partner preview shows up to 5 countries.
Total value across the selected data period
| Partner | Value | Share |
|---|---|---|
| United States | $3.3B | 16.6% |
| Indonesia | $1.6B | 7.7% |
| Japan | $1.2B | 6.1% |
| Russia | $966.2M | 4.8% |
| Canada | $900.4M | 4.5% |
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| Partner | Value | Share |
|---|---|---|
| United States | $45.7M | 16.8% |
| Indonesia | $26.4M | 9.7% |
| Russia | $18.8M | 6.9% |
| India | $15.6M | 5.7% |
| Thailand | $15.4M | 5.6% |
| Year | Export value |
|---|---|
| 2021 | $4.1B |
| 2022 | $3.3B |
| 2023 | $3.6B |
| 2024 | $3.2B |
| 2025 | $3.6B |
| 2026 | $2.4B |
China customs reports HS 842139 at the 8-digit level. 9 subheadings are published under it, and export values for each are available on request.
Household-scale gas filtering and purifying units handle domestic air purification tasks rather than heavy industrial workloads.
Industrial electrostatic precipitators remove particulate matter from gas streams by applying electric charges to collect dust on charged plates.
Fabric-filtered industrial dust collectors capture particulate matter from exhaust gases using permeable bag enclosures within a housing structure.
Industrial cyclone separators use centrifugal force to spin and extract heavier dust particles from rotating gas flows without relying on filters.
Hybrid industrial dust collectors combine fabric bag filtration with electrostatic precipitation to achieve multi-stage gas particulate removal.
Specialized industrial gas dust collectors employ alternative mechanical or physical separation methods distinct from electrostatic, bag, or cyclone designs.
Industrial gas purification equipment designed specifically to remove sulfur compounds from flue gas streams, serving as a key emissions control mechanism for fossil-fuel…
Apparatus engineered to eliminate nitrogen oxides from industrial flue gas exhaust, providing targeted denitration treatment rather than sulfur or particulate removal.
Gas filtration units that capture airborne particulate matter and dust from industrial exhaust, encompassing collector designs not classified as chemical desulfurization or…
Public data shows up to 5 partner countries. Buy monthly partner trade values in CSV; choose HS8 for native quantity and unit fields where published.
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HS 842139 is also written 8421.39. Values are in USD; the public series does not report tonnes or kg. Product scope: Industrial machinery and apparatus used for filtering or purifying gases, such as exhaust scrubbers and dust collectors, excluding isotope separators and engine intake filters. The public page shows monthly export partner previews from official GACC customs statistics. Preview and buy a monthly CSV for your selected products, countries and years.
Source: China General Administration of Customs (GACC), cleaned and structured by China Data Portal.
Transformations: Values are presented as published by the source.
China Data Portal. "China Machinery and apparatus (HS 842139) Export Data." https://chinadata.live/china-trade/hs/842139/
China exported $3.7B of machinery and apparatus in the twelve months to August 2026, averaging $305M per month, based on official China customs statistics (HS 842139).
Industrial machinery and apparatus used for filtering or purifying gases, such as exhaust scrubbers and dust collectors, excluding isotope separators and engine intake filters.
United States, Indonesia and Japan together account for 30% of the published total, out of 181 trading partners on record.
Annual exports declined by 11% between 2021 and 2025, from $4.1B to $3.6B.
Figures come from official China General Administration of Customs (GACC) statistics, published monthly. ChinaData cleans partner names, periods and values so the series is ready for analysis. Partner-level rows for every month, including HS8 detail, are available as a one-time CSV purchase. Choose your products and coverage, then preview the file and price before payment.