HS4 subsector corridor intelligence

Boilers
top trade corridors

HS4 8404 - leading exporter-to-importer routes

Explore reported routes for this HS4 subsector, ranked by latest trade value and paired with growth, market share, access, tariff, and distance context.

HS4 84041995-2024Stable
The route picture at a glanceHS4 8404 - reported trade
01

Latest HS4 trade

$1.3BReported value
02

Corridors shown

25Leading routes by value
03

Leading route value

$90.3MLatest reported value
04

Leading route growth

-14.7%Calculated 3-year change
05

Latest reported year

20241995-2024 coverage

The HS4 corridor read

China to Indonesia leads the reported HS4 8404 routes.

The leading route recorded $90.3M in 2024, with -14.7% calculated three-year growth. Across the HS4 subsector, latest reported trade was $1.3B, with -2.9% calculated three-year growth. Read the HS4 overview ↗

Leading route$90.3M6.7% of latest HS4 trade

Top HS4 corridors

Where Boilers trade moves

Observed exporter-to-importer relationships ranked by latest reported trade value. Growth, peak comparisons, and shares are calculated indicators; access fields provide context where available. Review data sources ↗

HS4 8404 exporter-to-importer relationshipsTop 25 by value

Scroll horizontally to compare all route fields.

RankExporterImporterLatest trade3-year CAGR5-year CAGR10-year CAGRMarket shareFTA / accessApplied tariffMFN tariffPreferential tariffTariff advantageDistanceHistorical peakLatest below peakYearsTrend
1ChinaCHNIndonesiaIDN$90.3M-14.7%-8.3%-2.9%6.7%FTA reported0.2%0.2%0.1%+0.1 pp4,425 km$270.8M202266.7%30Rapid decline
2CanadaCANUSA, Puerto Rico and US Virgin IslandsUSA$42.0M+22.9%+8.9%+4.1%3.1%FTA reported0%0%0%+0 pp556 km$48.4M200613.2%30Rapid growth
3USA, Puerto Rico and US Virgin IslandsUSACanadaCAN$41.8M+13.8%+22.9%+5.8%3.1%FTA reported0%0.1%0%+0 pp556 km$41.8M20240%30Rapid growth
4JapanJPNViet NamVNM$20.8M-24.5%+74.5%+30.8%1.5%FTA reported0.2%0.2%0.1%+0.1 pp4,327 km$48.5M202157%29Rapid decline
5TaiwanTWNPhilippinesPHL$19.3M-10.5%+11.5%-16.4%1.4%No FTA reportedNot reportedNot reportedNot reportedNot reported1,153 km$115.4M201483.2%30Rapid decline
6ChinaCHNIndiaIND$19.3M+20%-16.7%-10.3%1.4%No FTA reported0.5%0.5%0.1%+0.5 pp4,252 km$484.5M201196%30Rapid growth
7ChinaCHNThailandTHA$18.1M+26.2%+3.6%+1.5%1.3%FTA reported0.3%0.3%0%+0.3 pp2,887 km$31.5M201642.6%30Rapid growth
8ChinaCHNUnited KingdomGBR$17.9M+103.6%+67.6%+23.9%1.3%No FTA reportedNot reportedNot reportedNot reportedNot reported9,217 km$17.9M20240%29Rapid growth
9ChinaCHNViet NamVNM$17.5M+16.5%-12%-12.2%1.3%FTA reported0.2%0.2%0%+0.1 pp2,732 km$107.5M201683.7%30Rapid growth
10ThailandTHAUSA, Puerto Rico and US Virgin IslandsUSA$14.9M+208.5%+28.7%+1.9%1.1%No FTA reported0%0%0%+0 pp13,951 km$31.4M200952.7%29Rapid growth
11ChinaCHNMongoliaMNG$14.5M+439.8%+137.6%+10.2%1.1%No FTA reported0%0%Not reportedNot reported2,228 km$14.5M20240%29Rapid growth
12ChinaCHNMalaysiaMYS$14.3M+17.7%+23.1%-0.8%1.1%FTA reported0.1%0.1%0.1%+0.1 pp3,737 km$26.9M201346.7%30Rapid growth
13Republic of KoreaKORUSA, Puerto Rico and US Virgin IslandsUSA$14.0M-14.7%+37.7%-9.5%1%FTA reported0%0%0%+0 pp11,077 km$84.2M201383.3%30Rapid decline
14PolandPOLGermanyDEU$12.7M+7.8%+12.8%+4.3%0.9%FTA reported0%0%0%+0 pp518 km$27.9M200854.3%30Growing
15ItalyITAUnited KingdomGBR$12.6M+1.5%-2.2%-3.2%0.9%FTA reported0%0%0%+0 pp1,435 km$22.3M201043.4%30Stable
16ChinaCHNIraqIRQ$12.4M+348.8%-13.4%-13.6%0.9%No FTA reportedNot reportedNot reportedNot reportedNot reported7,085 km$53.6M201476.9%22Rapid growth
17GermanyDEUNetherlandsNLD$11.8M+2.1%-5.9%-5.3%0.9%FTA reported0%0%0%+0 pp579 km$38.4M201069.3%30Stable
18ChinaCHNTaiwanTWN$11.8M-11.9%+10.6%+7.7%0.9%No FTA reportedNot reportedNot reportedNot reportedNot reported688 km$18.3M202035.5%30Rapid decline
19ChinaCHNJapanJPN$11.5M-23.5%-12.6%+0.3%0.9%No FTA reported0%0%0%+0 pp1,763 km$31.1M202063.1%30Rapid decline
20ChinaCHNRepublic of KoreaKOR$11.3M+39.5%-7.8%+0.8%0.8%FTA reported0.1%0.1%0.1%+0 pp867 km$32.7M200865.5%30Rapid growth
21Republic of KoreaKORTaiwanTWN$11.1M+11.5%+129.4%-1.7%0.8%No FTA reportedNot reportedNot reportedNot reportedNot reported1,487 km$30.6M201063.9%30Rapid growth
22SpainESPUnited KingdomGBR$10.9M+51.6%+47.9%+22.3%0.8%FTA reported0%0%0%+0 pp1,263 km$10.9M20240%30Rapid growth
23FinlandFINItalyITA$10.8M+632.5%+476.7%+68.5%0.8%FTA reported0%0%0%+0 pp2,204 km$10.8M20240%28Rapid growth
24ChinaCHNChina, Hong Kong Special Administrative RegionHKG$10.8M+374.4%+105.4%+21.1%0.8%FTA reported0%0%Not reportedNot reported1,226 km$10.8M20240%30Rapid growth
25GermanyDEUUkraineUKR$10.8M+233.9%+94.5%+34%0.8%FTA reported0.1%0.1%0%+0 pp1,208 km$10.8M20240%30Rapid growth

Movement to watch

Growth leaders for HS4 8404

The strongest available three-year growth rates are starting points for research, not forecasts. Compare the calculated rate with each route's reported value, share, and trend. Read the methodology ↗

01Growth leader

Finland to Italy

+632.5%calculated 3-year CAGR
$10.8M latest value0.8% market shareRapid growth
02Growth leader

China to Mongolia

+439.8%calculated 3-year CAGR
$14.5M latest value1.1% market shareRapid growth
03Growth leader

China to China, Hong Kong Special Administrative Region

+374.4%calculated 3-year CAGR
$10.8M latest value0.8% market shareRapid growth
04Growth leader

China to Iraq

+348.8%calculated 3-year CAGR
$12.4M latest value0.9% market shareRapid growth
05Growth leader

Germany to Ukraine

+233.9%calculated 3-year CAGR
$10.8M latest value0.8% market shareRapid growth

Access and tariff context

Compare route access without over-reading one indicator

FTA status, applied tariffs, tariff advantage, and distance are supporting route context. Group averages are calculated from displayed routes and are not tariff recommendations. Check data coverage ↗

FTA reported$350.6M

16 displayed routes with average calculated growth of +86.6%.

Average applied tariff
0.1%
Average tariff advantage
+0.1 pp
No FTA reported$132.6M

9 displayed routes with average calculated growth of +120.7%.

Average applied tariff
0.1%
Average tariff advantage
+0.2 pp
Lowest reported applied tariffFTA reported

Italy to United Kingdom

0%

Routes with an available applied tariff. Latest route value: $12.6M.

Applied 0%Advantage +0 pp1,435 km
Largest reported tariff advantageNo FTA reported

China to India

+0.5 pp

Routes with an available tariff advantage. Latest route value: $19.3M.

Applied 0.5%Advantage +0.5 pp4,252 km

HS4 indicators

Scale, momentum, and structure in one view

These cards pair reported trade observations with calculated indicators from the available HS4 history. See indicator definitions ↗

Displayed route value$483.1M

Combined reported value across the 25 routes shown.

HS4 3-year CAGR-2.9%

Calculated annualized change in reported HS4 trade.

Exporter / importer HHI1,751.2 / 399.7

Calculated concentration indicators; higher values mean a more concentrated mix.

Trade volatility0.4

Calculated variation in annual reported HS4 trade.

Trend and peakStable

Historical peak: $2.7B in 2011. Latest below peak: 49.8%.

Coverage and breadth1995-2024

30 observed years; 2,987 active corridors, 141 exporters, 192 importers, and 3 HS6 products.

How to read this view

Keep reported scale separate from calculated movement.

Latest trade values describe reported merchandise trade for HS4 8404. Growth, market share, HHI, volatility, and peak comparisons are calculated indicators over the stated coverage period.

FTA status, tariffs, and distance add route context where available. A missing value stays unavailable; it is not treated as zero or a forecast.

Data source

OECD trade statistics with CEPII context

OECD (2025), Balanced international merchandise trade statistics (BIMTS) - HS2017-6D, OECD Data Explorer (accessed on 2026-08-28). OECD BIMTS is the primary trade series for this view. Supporting bilateral trade context uses CEPII BACI bilateral trade flows (202601) under Etalab 2.0 Open Licence. Yugalinks presents derived views of reported observations and calculated indicators. Data terms: OECD Terms & Conditions.