# HS4 2502 top trade corridors | Yugalinks

> Published by **Yugalinks**, global trade intelligence for growing businesses.
>
> [Follow Yugalinks on LinkedIn](https://in.linkedin.com/company/yugalinks)

Explore reported HS4 2502 trade corridors: leading exporter-to-importer routes, value, growth, market share, access, tariffs, and distance context.

Canonical: https://www.yugalinks.com/trade/sector/hs4/2502/corridors

## Page details

- Page type: HS4 subsector top trade corridors
- HS4: **2502 - Iron pyrites**
- Parent sector: [HS2 25 overview](https://www.yugalinks.com/trade/sector/hs2/25)
- Coverage: 1995-2024
- Publisher: [Yugalinks](https://www.yugalinks.com/)

## Answer

Bulgaria to China leads the reported HS4 2502 routes with $44.3M in 2024 and +16.7% calculated three-year growth. The HS4 subsector recorded $221.8M in latest reported trade, with +46.4% calculated three-year growth.

## Explore Yugalinks

- [Open HS4 2502 in the workspace](https://www.yugalinks.com/app?hs=2502)
- [Read the HS4 overview](https://www.yugalinks.com/trade/sector/hs4/2502)
- [Read the parent HS2 overview](https://www.yugalinks.com/trade/sector/hs2/25)
- [Review data sources](https://www.yugalinks.com/data-sources)
- [Check data coverage](https://www.yugalinks.com/data-coverage)
- [Read the methodology](https://www.yugalinks.com/methodology)
- [Read Responsible AI principles](https://www.yugalinks.com/responsible-ai)

## Summary and indicators

| Measure | Value | Interpretation |
| --- | ---: | --- |
| Latest reported HS4 trade | $221.8M | Reported value in 2024 |
| Displayed corridor value | $203.5M | Sum of the routes shown |
| HS4 3-year CAGR | +46.4% | Calculated annualized change |
| HS4 5-year CAGR | +34.1% | Calculated annualized change |
| HS4 10-year CAGR | +6.7% | Calculated annualized change |
| Latest year-on-year change | +122.7% | Calculated change from the prior year |
| Reported trend | Rapid growth | Available HS4 trend label |
| Historical peak | $221.8M in 2024 | Reported-history comparison |
| Latest below peak | 0% | Calculated peak comparison |
| Exporter / importer HHI | 1,435.3 / 6,013.3 | Calculated concentration indicators |
| Trade volatility | 0.8 | Calculated variation in annual values |
| Active corridors / exporters / importers / HS6 | 542 / 93 / 116 / 1 | Latest available breadth |

## Growth leaders

- **South Africa -> Australia**: +6,220.3% calculated three-year CAGR, $785.8K latest reported value, 0.4% market share, trend Rapid growth.
- **Laos -> China**: +4,038.7% calculated three-year CAGR, $3.4M latest reported value, 1.6% market share, trend Rapid growth.
- **Greece -> China**: +3,052.3% calculated three-year CAGR, $40.5M latest reported value, 18.2% market share, trend Rapid growth.
- **Russia -> China**: +2,778% calculated three-year CAGR, $9.5M latest reported value, 4.3% market share, trend Rapid growth.
- **Ecuador -> China**: +969.2% calculated three-year CAGR, $4.0M latest reported value, 1.8% market share, trend Rapid growth.

## Access and tariff context

FTA status, tariff fields, and distance are route context. Group averages below are calculated from the displayed routes and are not tariff recommendations.

| Access group | Reported route value | Routes | Average 3-year CAGR | Average applied tariff | Average tariff advantage |
| --- | ---: | ---: | ---: | ---: | ---: |
| FTA reported | $59.0M | 11 | +647.4% | 0.1% | +0.1 pp |
| No FTA reported | $144.5M | 14 | +1,065.4% | 0.2% | +0 pp |

- Lowest reported applied tariff route: **Italy -> Germany** at 0%.
- Largest reported tariff advantage route: **Peru -> China** at +0.3 pp.

## Full corridor table

| Rank | Exporter | Importer | Latest trade | 3-year CAGR | 5-year CAGR | 10-year CAGR | Market share | FTA / access | Applied tariff | MFN tariff | Preferential tariff | Tariff advantage | Distance | Historical peak | Latest below peak | Years | Trend |
| ---: | --- | --- | ---: | ---: | ---: | ---: | ---: | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | --- |
| 1 | Bulgaria | China | $44.3M | +16.7% | +20.7% | Not reported | 20% | No FTA reported | 0.3% | 0.3% | Not reported | Not reported | 8,333 km | $44.3M (2024) | 0% | 10 | Rapid growth |
| 2 | Greece | China | $40.5M | +3,052.3% | +692.8% | +37.8% | 18.2% | No FTA reported | 0.3% | 0.3% | Not reported | Not reported | 8,558 km | $40.5M (2024) | 0% | 14 | Rapid growth |
| 3 | Turkey | China | $29.4M | +85.9% | +128.7% | +227.5% | 13.3% | No FTA reported | 0.3% | 0.3% | Not reported | Not reported | 8,004 km | $29.4M (2024) | 0% | 10 | Rapid growth |
| 4 | Peru | China | $21.4M | +467.4% | +389.5% | +53.2% | 9.6% | FTA reported | 0.3% | 0.3% | 0% | +0.3 pp | 17,167 km | $21.4M (2024) | 0% | 20 | Rapid growth |
| 5 | Bulgaria | Canada | $12.1M | Not reported | Not reported | Not reported | 5.5% | FTA reported | 0.1% | 0.1% | 0% | +0 pp | 7,741 km | $12.1M (2024) | 0% | 1 | Insufficient history |
| 6 | Russia | China | $9.5M | +2,778% | +650.7% | +220.9% | 4.3% | No FTA reported | 0.2% | 0.2% | Not reported | Not reported | 6,831 km | $9.5M (2024) | 0% | 4 | Rapid growth |
| 7 | Malaysia | China | $7.5M | +31.5% | +425.6% | +20.4% | 3.4% | FTA reported | 0.3% | 0.3% | 0.1% | +0.2 pp | 3,737 km | $7.5M (2024) | 0% | 16 | Rapid growth |
| 8 | Philippines | China | $5.6M | +461.9% | +740% | +150.6% | 2.5% | FTA reported | 0.3% | 0.3% | 0.1% | +0.2 pp | 1,841 km | $5.6M (2024) | 0% | 9 | Rapid growth |
| 9 | Ecuador | China | $4.0M | +969.2% | +436.5% | +131.6% | 1.8% | No FTA reported | 0.3% | 0.3% | Not reported | Not reported | 16,091 km | $4.0M (2024) | 0% | 6 | Rapid growth |
| 10 | Zambia | Democratic Republic of the Congo | $3.5M | +9.1% | Not reported | Not reported | 1.6% | No FTA reported | Not reported | Not reported | Not reported | Not reported | 1,876 km | $3.5M (2024) | 0% | 4 | Growing |
| 11 | Laos | China | $3.4M | +4,038.7% | +833.5% | +205.5% | 1.6% | FTA reported | 0.3% | 0.3% | 0.1% | +0.2 pp | 2,402 km | $4.8M (2023) | 28.9% | 6 | Rapid growth |
| 12 | Bulgaria | Taiwan | $3.2M | Not reported | Not reported | Not reported | 1.5% | No FTA reported | Not reported | Not reported | Not reported | Not reported | 8,790 km | $3.6M (2022) | 10.2% | 3 | Insufficient history |
| 13 | Russia | Italy | $2.6M | -7.1% | -7.6% | +3% | 1.2% | No FTA reported | 0% | 0% | 0% | +0 pp | 2,381 km | $6.0M (2023) | 55.8% | 29 | Declining |
| 14 | Italy | Germany | $2.0M | +4.8% | +18.2% | +9.2% | 0.9% | FTA reported | 0% | 0% | 0% | +0 pp | 1,184 km | $2.1M (2011) | 4.5% | 30 | Growing |
| 15 | Brazil | China | $1.9M | +453.6% | +300.6% | +64.3% | 0.9% | No FTA reported | 0.3% | 0.3% | Not reported | Not reported | 18,570 km | $1.9M (2024) | 0% | 18 | Rapid growth |
| 16 | Finland | Germany | $1.7M | +802.7% | -6.8% | -3.6% | 0.8% | FTA reported | 0% | 0% | 0% | +0 pp | 1,107 km | $5.7M (1996) | 70% | 30 | Rapid growth |
| 17 | China | Japan | $1.7M | -13.6% | -6.1% | -4.2% | 0.8% | No FTA reported | 0% | 0% | 0% | +0 pp | 1,763 km | $4.1M (2008) | 58.6% | 30 | Rapid decline |
| 18 | Myanmar | China | $1.6M | Not reported | Not reported | Not reported | 0.7% | FTA reported | 0.3% | 0.3% | 0.1% | +0.2 pp | 3,017 km | $1.6M (2024) | 0% | 1 | Insufficient history |
| 19 | Italy | Singapore | $1.4M | -5.6% | +25% | +13.3% | 0.6% | FTA reported | 0% | 0% | Not reported | Not reported | 10,030 km | $1.7M (2021) | 15.8% | 17 | Declining |
| 20 | Finland | USA, Puerto Rico and US Virgin Islands | $1.2M | +0.3% | +11.2% | -0.9% | 0.6% | No FTA reported | 0% | 0% | Not reported | Not reported | 6,636 km | $1.5M (2022) | 15.1% | 19 | Stable |
| 21 | USA, Puerto Rico and US Virgin Islands | Mexico | $1.2M | +19.1% | +4% | -1.5% | 0.5% | FTA reported | 0.1% | 0.1% | 0% | +0.1 pp | 3,359 km | $1.5M (2023) | 21% | 30 | Rapid growth |
| 22 | Italy | Spain | $1.0M | +5.9% | +18.9% | +3% | 0.5% | FTA reported | 0% | 0% | 0% | +0 pp | 1,366 km | $1.0M (2024) | 0% | 30 | Growing |
| 23 | Turkey | India | $990.2K | +49.4% | +30% | +20.3% | 0.4% | No FTA reported | 0.5% | 0.5% | Not reported | Not reported | 4,559 km | $990.2K (2024) | 0% | 11 | Rapid growth |
| 24 | China | United Rep. of Tanzania | $833.5K | +235.8% | +329.7% | +260.3% | 0.4% | No FTA reported | 0.2% | 0.2% | Not reported | Not reported | 9,666 km | $833.5K (2024) | 0% | 9 | Rapid growth |
| 25 | South Africa | Australia | $785.8K | +6,220.3% | +1,103.5% | +54.9% | 0.4% | No FTA reported | 0.1% | 0.1% | Not reported | Not reported | 10,347 km | $785.8K (2024) | 0% | 17 | Rapid growth |

## Definitions

Latest trade values are reported merchandise trade observations. CAGR, market share, HHI, volatility, and peak comparisons are calculated indicators over the available history. FTA, tariffs, and distance provide route context where available. Missing values remain unavailable and are not imputed or presented as forecasts.

## Data sources

- Primary trade series: OECD (2025), Balanced international merchandise trade statistics (BIMTS) - HS2017-6D, OECD Data Explorer (accessed on 2026-08-28). [OECD Data Explorer](https://data-explorer.oecd.org/) - [OECD Terms & Conditions](https://www.oecd.org/termsandconditions/)
- CEPII BACI bilateral trade flows (202601): [dataset page](https://www.cepii.fr/CEPII/en/bdd_modele/bdd_modele_item.asp?id=37) - [BACI documentation](https://www.cepii.fr/DATA_DOWNLOAD/baci/doc/baci_webpage.html) - [Etalab 2.0 Open Licence](https://www.etalab.gouv.fr/wp-content/uploads/2018/11/open-licence.pdf)

This page presents derived Yugalinks views of reported observations and calculated indicators.

## Continue your research

- [Open the HS4 workspace](https://www.yugalinks.com/app?hs=2502)
- [Read the HS4 overview](https://www.yugalinks.com/trade/sector/hs4/2502)
- [Read the HS2 overview](https://www.yugalinks.com/trade/sector/hs2/25)
- [Review data sources](https://www.yugalinks.com/data-sources)
- [Check data coverage](https://www.yugalinks.com/data-coverage)
- [Read methodology](https://www.yugalinks.com/methodology)
- [Read Responsible AI principles](https://www.yugalinks.com/responsible-ai)