# Who does Ronbay Technology pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/ronbay · Facet: suppliers · Updated: 2026-07-12T08:25:22.56643+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Ronbay Technology discloses no named confirmed suppliers/cost counterparties; 2 relationships are tracked as undisclosed/aggregate. Per the valuechain.wiki graph: 2 cost edges, backed by 4 dated sources, 2 of them primary filings (as of 2026-07-12).

### GEM (格林美) (high)
- metric: purchase commitment volume 300,000 t (전구체 최소 예상 구매량, 2022-2026) · 2022~2026 · Expected minimum precursor purchase from GEM under strategic cooperation agreement
- note: Ronbay signed a 2022 strategic pact with GEM to build a 'nickel-cobalt resources, battery recycling, ternary precursor, ternary material' chain, grooming GEM as a strategic core precursor supplier. Ronbay expects to buy ≥300,000 t of precursor from GEM over 2022-2026, took an 18% stake in GEM's recycling unit (Dynamic Regeneration) and secured priority supply of 26% of that unit's material output. GEM raw materials/precursor are a pillar of Ronbay's cost base.
- [confirms] Shenzhen Stock Exchange (hosted via Sina Finance) (ZH, filing, published 2022-02-28) http://file.finance.sina.com.cn/211.154.219.97:9494/MRGG/CNSESZ_STOCK/2022/2022-2/2022-02-28/7854444.PDF: "From 2022 to 2026 Ronbay expects to purchase no less than 300,000 t of precursor from GEM; Ronbay plans to take an 18% stake in Dynamic Regeneration, which will supply at least 26% of its material output to Ronbay at fair prices."
- [confirms] Jiemian News (ZH, news, published 2022-02-28) https://m.jiemian.com/article/7149662.html: "Ronbay and GEM signed a strategic cooperation agreement to cooperate in battery recycling, Indonesian nickel smelting and precursor business, with Ronbay helping GEM become its strategic core precursor supplier."

### 화유코발트 (Huayou Cobalt) (high)
- metric: purchase commitment volume 180,000 t (전구체 최소구매량, 2022-2025; 예상 총 415,000t) · 2022-01-01~2025-12-31 · Minimum precursor purchase commitment under strategic cooperation agreement
- note: Ronbay sources large volumes of ternary precursor, the key upstream input for high-nickel NCM, from Huayou Cobalt. Under their strategic agreement, precursor purchases over 2022-01-01 to 2025-12-31 are a minimum 180,000 t, with both sides projecting ~415,000 t total; the pact runs through 2030. Precursor (nickel/cobalt/manganese sulfate based) is Ronbay's largest cost item.
- [confirms] Jiemian News (ZH, news, published 2022-01-24) https://www.jiemian.com/article/6832892.html: "From Jan 1 2022 to Dec 31 2025, Ronbay's precursor purchases from Huayou will be no less than 180,000 t; both sides expect total precursor purchases to reach 415,000 t; the agreement runs to Dec 31 2030."
- [confirms] Shanghai Stock Exchange (hosted via Sina Finance) (ZH, filing, published 2021-11-20) http://file.finance.sina.com.cn/211.154.219.97:9494/MRGG/CNSESH_STOCK/2021/2021-11/2021-11-20/7670255.PDF: "From Jan 1 2022 to Dec 31 2025 Ronbay will purchase no less than 180,000 t of precursor from Huayou, with both sides expecting ~415,000 t in total; the agreement runs to Dec 31 2030."

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

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