# Who does Hyundai Rotem Company pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/hyundai-rotem-company · Facet: suppliers · Updated: 2026-10-10T16:08:11.478+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Hyundai Rotem Company's confirmed suppliers/cost counterparties include 현대위아 plus 2 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 3 cost edges, backed by 6 dated sources, 2 of them primary filings (as of 2026-10-10).

### 현대위아 (high)  → /hyundai-wia.md
- metric: component 120 mm · K2 production · K2 tank main-gun caliber
- note: Hyundai Wia manufactures the 120 mm 55-caliber smoothbore main gun mounted on Hyundai Rotem's K2 tank, directly tying K2 production volumes to gun demand.
- [mentions] Hyundai Wia (KO, filing, published 2026-08-14) https://www.hyundai-wia.com/lib/common/download2.asp?fileUrl=/upload/RESULT&seq=2142&flag=1&tableName=RE_WIA_BIZ_NEWS: "H1 2026 revenue was KRW 4.533 trillion. Hyundai Motor and Kia are the main vehicle-parts customers, while Hyundai Transys is among the main suppliers."
- [confirms] Samsung Securities (KO, research, published 2026-03-06) https://www.samsungpop.com/common.do?cmd=down&contentType=application%2Fpdf&fileName=2010%2F2026030615573952K_02_05.pdf&inlineYn=Y&saveKey=research.pdf: "Hyundai Wia is the sole gun-barrel supplier for K2 tanks and K9 howitzers, with volume rising alongside customer exports."
- [confirms] The Asia Business Daily (EN, news, published 2025-08-13) https://www.asiae.co.kr/en/article/2025081310245914855: "As exports of K2 tanks and K9 howitzers to Poland increased, demand rose for gun barrels and weapon assemblies supplied by Hyundai Wia."
- [confirms] Hyundai Wia (KO, ir, published 2025-06-30) https://www.hyundai-wia.com/upload/download/2025_Sustainability_Ko.pdf: "Hyundai Wia produces land artillery systems including the K2 tank's main armament, a 120 mm 55-caliber smoothbore gun."
- [confirms] Hyundai Wia (EN, ir, published 2025-06-30) https://en.hyundai-wia.com/upload/download/2025_Sustainability_En_3.0.pdf: "Hyundai Wia manufactures land-based weapon systems including the main armaments for the K2 main battle tank."

### K2 파워팩 (엔진·변속기, HD현대인프라코어·SNT다이내믹스) (mid)
- note: The K2 tank powerpack (engine and transmission) has been localized - engine from HD Hyundai Infracore, transmission from the SNT Dynamics line; as integrator, Rotem sources the core driveline.
- [mentions] FSS DART (KO, filing, published 2026-03-19) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260319001275: "As K2 integrator, sources the powerpack and core driveline from domestic partners."

### 철도차량 부품·강재 (대차·의장·알루미늄 차체) (mid)
- note: Assembles rolling stock from bogies, fit-out parts, aluminum car bodies and steel sourced from domestic and overseas partners - an integrator model.
- [mentions] FSS DART (KO, filing, published 2026-03-19) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260319001275: "Sources bogies, fit-out and car bodies from partners for assembly."

Reverse side: https://valuechain.wiki/hyundai-rotem-company/customers.md · Ripple: https://valuechain.wiki/hyundai-rotem-company/ripple.md

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Full node: https://valuechain.wiki/hyundai-rotem-company.md · JSON: https://valuechain.wiki/hyundai-rotem-company.json