# Who does Kuraray pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/kuraray · Facet: suppliers · Updated: 2026-10-18T20:23:53.57+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Kuraray discloses no named confirmed suppliers/cost counterparties; 2 relationships are tracked as undisclosed/aggregate. Per the valuechain.wiki graph: 2 cost edges, backed by 3 dated sources, 1 of them primary filings (as of 2026-10-18).

### 석유화학 원료·연료·유틸리티 공급사 (비공개) (high)
- metric: Amount ¥561.9B · FY2025 · Consolidated cost of sales
- note: Procures feedstocks, fuel and external utilities for integrated production of PVOH, EVAL and related products. FY2025 Vinyl Acetate profit was hurt by higher raw-material and fuel prices and a suspension of externally purchased utilities at a U.S. plant.
- [confirms] Kuraray (EN, filing, published 2026-04-10) https://www.kuraray.com/content/dam/kuraray/jp/en/sustainability/report/kuraray_en2026_30.pdf: "FY2025 consolidated cost of sales was JPY561,939 million, while Vinyl Acetate profit was affected by rising raw-material and fuel prices."

### Calgon Carbon 콜럼버스 공장 증설 (high)
- metric: Amount $100M · 2026-2028 · Columbus reactivated-carbon expansion investment
- note: Invests about $100 million at the Columbus, Ohio plant to add 12,300 tonnes per year of reactivated-carbon capacity for drinking water, targeting first-quarter 2028 startup.
- [mentions] Kuraray (EN, filing, published 2026-04-10) https://www.kuraray.com/content/dam/kuraray/jp/en/sustainability/report/kuraray_en2026_30.pdf: "Kuraray disclosed new capital-investment decisions in businesses with strong growth and competitive advantages."
- [confirms] Kuraray (EN, ir, published 2026-03-02) https://www.kuraray.com/us-en/news/2026/kuraray-to-expand-reactivated-carbon-production-capacity-in-the-united-states/: "The expansion is about $100 million, adds 12,300 tonnes per year and is scheduled to start in Q1 2028."

### 역청탄·야자껍질 원료 공급사 (비공개) (high)
- note: Procures carbon feedstocks including bituminous coal and coconut shells for Calgon Carbon’s activated-carbon production. Supplier-level spending is not disclosed.
- [confirms] Kuraray (EN, ir, published 2026-03-02) https://www.kuraray.com/us-en/news/2026/kuraray-to-expand-reactivated-carbon-production-capacity-in-the-united-states/: "Kuraray states that activated carbon is produced from materials such as bituminous coal and coconut shells."
- [mentions] Calgon Carbon (KO, analysis, published 2022-01-01) https://www.calgoncarbon.com/app/uploads/Calgon_Carbon_PFCSpecSheet_Final2_KOKR_PFAS-kr.pdf: "The Korean technical brief confirms Calgon Carbon’s granular activated-carbon products and their PFAS-treatment use."

Reverse side: https://valuechain.wiki/kuraray/customers.md · Ripple: https://valuechain.wiki/kuraray/ripple.md

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Full node: https://valuechain.wiki/kuraray.md · JSON: https://valuechain.wiki/kuraray.json