HS4 subsector corridor intelligence

Slag and ash
top trade corridors

HS4 2621 - 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 26211995-2024Declining
The route picture at a glanceHS4 2621 - reported trade
01

Latest HS4 trade

$462.7MReported value
02

Corridors shown

25Leading routes by value
03

Leading route value

$48.9MLatest reported value
04

Leading route growth

-6%Calculated 3-year change
05

Latest reported year

20241995-2024 coverage

The HS4 corridor read

India to Bangladesh leads the reported HS4 2621 routes.

The leading route recorded $48.9M in 2024, with -6% calculated three-year growth. Across the HS4 subsector, latest reported trade was $462.7M, with -6.8% calculated three-year growth. Read the HS4 overview ↗

Leading route$48.9M10.6% of latest HS4 trade

Top HS4 corridors

Where Slag and ash 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 2621 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
1IndiaINDBangladeshBGD$48.9M-6%+61.8%+39%10.6%FTA reported0.7%0.7%0.2%+0.5 pp1,427 km$58.8M202116.9%28Declining
2United KingdomGBRNetherlandsNLD$20.4M+21.6%+21.1%+5.2%4.4%FTA reported0%0%0%+0 pp358 km$20.4M20240%30Rapid growth
3ChinaCHNJapanJPN$15.5M+0.4%+6%+9.2%3.4%No FTA reported0%0%0%+0 pp1,763 km$22.3M202230.3%30Stable
4NetherlandsNLDBelgiumBEL$15.0M+12.2%+10.3%+12%3.2%FTA reported0%0%0%+0 pp174 km$15.0M20240%26Rapid growth
5USA, Puerto Rico and US Virgin IslandsUSACanadaCAN$14.9M+18.7%+9.4%+2.6%3.2%FTA reported0%0.1%0%+0 pp556 km$18.0M201317%30Rapid growth
6ChinaCHNChina, Hong Kong Special Administrative RegionHKG$12.4M+20.6%+32.8%+6.9%2.7%FTA reported0%0%Not reportedNot reported1,226 km$12.4M20240%30Rapid growth
7CanadaCANUSA, Puerto Rico and US Virgin IslandsUSA$10.6M-7.2%+3.5%+3.2%2.3%FTA reported0%0%0%+0 pp556 km$19.5M200745.8%30Declining
8IndiaINDNepalNPL$10.3M-17%-12.9%+8.4%2.2%FTA reported0.2%0.2%0.1%+0 pp803 km$20.6M201950%29Rapid decline
9IndiaINDSaudi ArabiaSAU$9.9M+21.2%+29.4%+3.9%2.1%No FTA reported0.1%0.1%Not reportedNot reported3,060 km$12.2M202218.3%28Rapid growth
10JapanJPNUSA, Puerto Rico and US Virgin IslandsUSA$8.5M+50.6%-0.4%+8.8%1.8%No FTA reported0%0%0%+0 pp10,872 km$9.0M20185.5%26Rapid growth
11TurkeyTURItalyITA$8.3M+53.2%+61.8%Not reported1.8%FTA reported0%0.1%0%+0.1 pp1,377 km$8.3M20240%7Rapid growth
12SingaporeSGPNetherlandsNLD$8.0M+2.2%+9.4%+149%1.7%FTA reported0%0.1%0%+0 pp10,503 km$11.1M202028.6%13Stable
13CanadaCANGermanyDEU$6.5M-39.6%+47%+30.5%1.4%FTA reported0.1%0.1%0%+0.1 pp6,493 km$29.7M202178%26Rapid decline
14SpainESPUnited KingdomGBR$6.5M+86.6%+133.2%+66.3%1.4%FTA reported0%0%0%+0 pp1,263 km$6.5M20240%18Rapid growth
15TurkeyTURUSA, Puerto Rico and US Virgin IslandsUSA$6.1M-2%-17.7%+59.9%1.3%No FTA reported0%0%0%+0 pp8,087 km$19.2M201868.2%16Stable
16CzechiaCZEGermanyDEU$6.1M+0.4%+6.7%+5.5%1.3%FTA reported0%0%0%+0 pp280 km$6.4M20234.2%30Stable
17ChinaCHNGuineaGIN$5.7M+104.5%+44.5%+78.6%1.2%No FTA reportedNot reportedNot reportedNot reportedNot reported13,441 km$5.7M20240%10Rapid growth
18JapanJPNThailandTHA$5.5M-6.6%+8.3%+0.7%1.2%FTA reported0.3%0.3%0%+0.3 pp4,604 km$10.6M200848.3%30Declining
19Viet NamVNMBangladeshBGD$4.8M-7.9%Not reportedNot reported1%No FTA reported0.6%0.6%Not reportedNot reported2,243 km$6.1M202122%5Declining
20CzechiaCZEAustriaAUT$4.7M+11.9%+11.3%+10.3%1%FTA reported0%0%0%+0 pp253 km$4.7M20240%27Rapid growth
21TurkeyTURUnited KingdomGBR$4.5M+25.1%+14.3%+124.7%1%FTA reportedNot reportedNot reportedNot reportedNot reported2,504 km$4.5M20240%11Rapid growth
22ChinaCHNBangladeshBGD$4.4M+45.3%+29.7%+123.2%1%No FTA reported0.7%0.7%0.1%+0.5 pp3,168 km$4.4M20240%16Rapid growth
23Viet NamVNMPhilippinesPHL$4.3M+31.6%+61.2%+127.5%0.9%FTA reported0.2%0.2%0%+0.2 pp1,612 km$6.7M202236%7Rapid growth
24GermanyDEUNetherlandsNLD$4.2M+3.7%+3.6%-6.8%0.9%FTA reported0%0%0%+0 pp579 km$11.0M201162.1%30Growing
25PolandPOLGermanyDEU$4.1M+7.5%+16.4%-0.1%0.9%FTA reported0%0%0%+0 pp518 km$5.2M202320.4%30Growing

Movement to watch

Growth leaders for HS4 2621

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

China to Guinea

+104.5%calculated 3-year CAGR
$5.7M latest value1.2% market shareRapid growth
02Growth leader

Spain to United Kingdom

+86.6%calculated 3-year CAGR
$6.5M latest value1.4% market shareRapid growth
03Growth leader

Turkey to Italy

+53.2%calculated 3-year CAGR
$8.3M latest value1.8% market shareRapid growth
04Growth leader

Japan to USA, Puerto Rico and US Virgin Islands

+50.6%calculated 3-year CAGR
$8.5M latest value1.8% market shareRapid growth
05Growth leader

China to Bangladesh

+45.3%calculated 3-year CAGR
$4.4M latest value1% 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$195.1M

18 displayed routes with average calculated growth of +12.2%.

Average applied tariff
0.1%
Average tariff advantage
+0.1 pp
No FTA reported$55.0M

7 displayed routes with average calculated growth of +30.3%.

Average applied tariff
0.3%
Average tariff advantage
+0.2 pp
Lowest reported applied tariffFTA reported

United Kingdom to Netherlands

0%

Routes with an available applied tariff. Latest route value: $20.4M.

Applied 0%Advantage +0 pp358 km
Largest reported tariff advantageNo FTA reported

China to Bangladesh

+0.5 pp

Routes with an available tariff advantage. Latest route value: $4.4M.

Applied 0.7%Advantage +0.5 pp3,168 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$250.1M

Combined reported value across the 25 routes shown.

HS4 3-year CAGR-6.8%

Calculated annualized change in reported HS4 trade.

Exporter / importer HHI1,245.5 / 1,595.3

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

Trade volatility0.5

Calculated variation in annual reported HS4 trade.

Trend and peakDeclining

Historical peak: $570.8M in 2021. Latest below peak: 18.9%.

Coverage and breadth1995-2024

30 observed years; 1,165 active corridors, 116 exporters, 169 importers, and 2 HS6 products.

How to read this view

Keep reported scale separate from calculated movement.

Latest trade values describe reported merchandise trade for HS4 2621. 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.