# Who does Hanwha Ocean pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/hanwha-ocean · Facet: suppliers · Updated: 2026-07-12T04:06:47.55+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Hanwha Ocean's confirmed suppliers/cost counterparties include POSCO·현대제철 (선박용 후판·강재), HD현대중공업·한화엔진 (선박용 메인엔진). Per the valuechain.wiki graph: 2 cost edges, backed by 1 dated sources, 1 of them primary filings (as of 2026-07-12).

### POSCO·현대제철 (선박용 후판·강재) (high)  → /posco-holdings.md
- note: Per the annual report, ship steel plate is bought from POSCO, Hyundai Steel and other Korean mills plus Japan and China; plate prices track SteelDaily's domestic distribution price.
- [confirms] FSS DART (KO, filing, published 2026-03-11) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260311004557: "Ship steel plate is purchased from POSCO, Hyundai Steel and other Korean mills plus Japan and China."

### HD현대중공업·한화엔진 (선박용 메인엔진) (high)  → /hd-hyundai-heavy-industries.md
- note: Per the annual report, main engines are bought from HD Hyundai Heavy Industries and Hanwha Engine; Hanwha Engine joined the Hanwha group in April 2024, improving engine-supply security. Both plate and engines are oligopoly markets.
- [confirms] FSS DART (KO, filing, published 2026-03-11) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260311004557: "Main engines bought from HD Hyundai Heavy Industries and Hanwha Engine; Hanwha Engine joined Hanwha in April 2024."

Reverse side: https://valuechain.wiki/hanwha-ocean/customers.md · Ripple: https://valuechain.wiki/hanwha-ocean/ripple.md

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Full node: https://valuechain.wiki/hanwha-ocean.md · JSON: https://valuechain.wiki/hanwha-ocean.json