HS4 subsector corridor intelligence

Line telephony or telegraphy apparatus
top trade corridors

HS4 8517 - 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 85171995-2024Stable
The route picture at a glanceHS4 8517 - reported trade
01

Latest HS4 trade

$667.8BReported value
02

Corridors shown

25Leading routes by value
03

Leading route value

$47.9BLatest reported value
04

Leading route growth

-4.4%Calculated 3-year change
05

Latest reported year

20241995-2024 coverage

The HS4 corridor read

China to USA, Puerto Rico and US Virgin Islands leads the reported HS4 8517 routes.

The leading route recorded $47.9B in 2024, with -4.4% calculated three-year growth. Across the HS4 subsector, latest reported trade was $667.8B, with +2.9% calculated three-year growth. Read the HS4 overview ↗

Leading route$47.9B7.2% of latest HS4 trade

Top HS4 corridors

Where Line telephony or telegraphy apparatus 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 8517 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
1ChinaCHNUSA, Puerto Rico and US Virgin IslandsUSA$47.9B-4.4%-1.1%+0.6%7.2%No FTA reported0%0%Not reportedNot reported11,883 km$59.7B202219.8%30Declining
2Viet NamVNMChinaCHN$25.6B+8.3%+18.7%+44%3.8%FTA reported0.2%0.3%0%+0.2 pp2,732 km$25.6B20240%29Growing
3ChinaCHNChina, Hong Kong Special Administrative RegionHKG$25.5B-15.2%+5.4%+4.3%3.8%FTA reported0%0%Not reportedNot reported1,226 km$41.8B202138.9%30Rapid decline
4Viet NamVNMUSA, Puerto Rico and US Virgin IslandsUSA$17.5B+0.2%+7.4%+25.6%2.6%No FTA reported0%0%Not reportedNot reported14,306 km$23.5B202225.5%29Stable
5ChinaCHNUnited Arab EmiratesARE$16.7B+20.5%+18.3%+16.9%2.5%No FTA reported0.1%0.1%Not reportedNot reported6,430 km$16.7B20240%30Rapid growth
6ChinaCHNJapanJPN$16.7B+0.7%+3.7%+1.2%2.5%No FTA reported0%0%0%+0 pp1,763 km$17.1B20232%30Stable
7ChinaCHNIndiaIND$15.9B+34.6%+22.5%+9.3%2.4%No FTA reported0.5%0.5%0.1%+0.5 pp4,252 km$15.9B20240%30Rapid growth
8ChinaCHNViet NamVNM$15.6B+12.7%+13.5%+10.8%2.3%FTA reported0.2%0.2%0%+0.1 pp2,732 km$15.6B20240%30Rapid growth
9Republic of KoreaKORViet NamVNM$12.9B+4.5%+14.9%+21.1%1.9%FTA reported0.2%0.2%0%+0.1 pp3,599 km$14.2B20228.9%30Growing
10ChinaCHNGermanyDEU$12.4B+5.3%+6.4%+6.8%1.9%No FTA reported0%0.1%0%+0 pp8,415 km$12.7B20232%30Growing
11ChinaCHNMexicoMEX$11.4B+17.1%+9.2%+5.7%1.7%No FTA reported0.1%0.1%Not reportedNot reported12,928 km$11.4B20240%30Rapid growth
12MexicoMEXUSA, Puerto Rico and US Virgin IslandsUSA$10.9B+8.9%+5.2%+0.4%1.6%FTA reported0%0%0%+0 pp3,359 km$12.7B201714%30Growing
13IndiaINDUSA, Puerto Rico and US Virgin IslandsUSA$8.6B+127.3%+107.5%+58%1.3%No FTA reported0%0%0%+0 pp11,771 km$8.6B20240%30Rapid growth
14ChinaCHNUnited KingdomGBR$8.0B+0.6%+0.7%+7.2%1.2%No FTA reportedNot reportedNot reportedNot reportedNot reported9,217 km$10.1B202220.3%30Stable
15TaiwanTWNChinaCHN$7.8B+47.2%+32.7%+13%1.2%No FTA reportedNot reportedNot reportedNot reportedNot reported688 km$7.8B20240%30Rapid growth
16ThailandTHAUSA, Puerto Rico and US Virgin IslandsUSA$7.8B+42.6%+38.8%+16.1%1.2%No FTA reported0%0%0%+0 pp13,951 km$7.8B20240%30Rapid growth
17ChinaCHNChinaCHN$7.1B-15.1%-14.4%-10.6%1.1%No FTA reported0%0%0%+0 pp1,163 km$23.8B201570%25Rapid decline
18ChinaCHNThailandTHA$7.1B+11.5%+9.4%+9.8%1.1%FTA reported0.3%0.3%0%+0.3 pp2,887 km$7.1B20240%30Rapid growth
19Republic of KoreaKORChinaCHN$7.1B+13.9%+12.9%-0.6%1.1%FTA reported0.3%0.3%0.1%+0.2 pp867 km$8.8B202220%30Rapid growth
20ChinaCHNSingaporeSGP$7.0B+5.3%+2.5%+7.6%1%FTA reported0%0%0%+0 pp3,797 km$7.0B20240%30Growing
21TaiwanTWNUSA, Puerto Rico and US Virgin IslandsUSA$6.8B+17.1%+15.6%+10.3%1%No FTA reportedNot reportedNot reportedNot reportedNot reported12,555 km$7.2B20236.5%30Rapid growth
22ChinaCHNRepublic of KoreaKOR$6.0B-4.2%-4.2%-9.1%0.9%FTA reported0.1%0.1%0.1%+0 pp867 km$15.7B201461.5%30Declining
23ChinaCHNCanadaCAN$5.4B-2.9%-1.5%+1.8%0.8%No FTA reported0.1%0.1%0%+0 pp11,441 km$6.1B201812.4%30Stable
24Viet NamVNMUnited Arab EmiratesARE$4.9B+9.3%+7.7%+3.3%0.7%No FTA reported0.1%0.1%Not reportedNot reported5,634 km$4.9B20240%27Growing
25United Arab EmiratesAREIraqIRQ$4.8B+18.1%+8.9%+15.2%0.7%FTA reportedNot reportedNot reportedNot reportedNot reported1,385 km$4.8B20240%26Rapid growth

Movement to watch

Growth leaders for HS4 8517

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

India to USA, Puerto Rico and US Virgin Islands

+127.3%calculated 3-year CAGR
$8.6B latest value1.3% market shareRapid growth
02Growth leader

Taiwan to China

+47.2%calculated 3-year CAGR
$7.8B latest value1.2% market shareRapid growth
03Growth leader

Thailand to USA, Puerto Rico and US Virgin Islands

+42.6%calculated 3-year CAGR
$7.8B latest value1.2% market shareRapid growth
04Growth leader

China to India

+34.6%calculated 3-year CAGR
$15.9B latest value2.4% market shareRapid growth
05Growth leader

China to United Arab Emirates

+20.5%calculated 3-year CAGR
$16.7B latest value2.5% 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$122.5B

10 displayed routes with average calculated growth of +6.4%.

Average applied tariff
0.1%
Average tariff advantage
+0.1 pp
No FTA reported$194.9B

15 displayed routes with average calculated growth of +20%.

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

China to China, Hong Kong Special Administrative Region

0%

Routes with an available applied tariff. Latest route value: $25.5B.

Applied 0%Advantage Not reported1,226 km
Largest reported tariff advantageNo FTA reported

China to India

+0.5 pp

Routes with an available tariff advantage. Latest route value: $15.9B.

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$317.5B

Combined reported value across the 25 routes shown.

HS4 3-year CAGR+2.9%

Calculated annualized change in reported HS4 trade.

Exporter / importer HHI1,933.7 / 649.6

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

Trade volatility0.6

Calculated variation in annual reported HS4 trade.

Trend and peakStable

Historical peak: $673.7B in 2022. Latest below peak: 0.9%.

Coverage and breadth1995-2024

30 observed years; 13,812 active corridors, 200 exporters, 200 importers, and 7 HS6 products.

How to read this view

Keep reported scale separate from calculated movement.

Latest trade values describe reported merchandise trade for HS4 8517. 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.