# Who does CATL pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/catl · Facet: suppliers · Updated: 2026-07-12T06:19:48.391693+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: CATL's confirmed suppliers/cost counterparties include 룽바이커지(容百科技), Tinci Materials, 엔켐 plus 5 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 8 cost edges, backed by 9 dated sources, 3 of them primary filings (as of 2026-07-12).

### 룽바이커지(容百科技) (high)  → /ronbay.md
- metric: supplier share 54.54% · FY2024 · CATL's share of Ronbay revenue (largest customer, anonymized in filing)
- note: CATL sources high-nickel NCM and sodium-ion cathode powder from Ronbay Technology, its #1 ternary cathode supplier. Ronbay's FY2024 largest customer (RMB 8.23bn, 54.5% of sales) is identified as CATL via media cross-checks, and CATL committed to buy at least 60% of its annual sodium cathode powder from Ronbay through 2029.
- [mentions] Shanghai Stock Exchange STAR Market (ZH, filing, published 2025-04-30) https://star.sse.com.cn/disclosure/listedinfo/announcement/c/new/2025-04-30/688005_20250430_CSLQ.pdf: "Major customers include CATL-SAIC and other global top power-battery makers; 2024 ternary cathode global market share exceeded 12%."
- [confirms] Shanghai Stock Exchange (hosted via Sina Finance) (ZH, filing, published 2025-04-10) http://file.finance.sina.com.cn/211.154.219.97:9494/MRGG/CNSESH_STOCK/2025/2025-4/2025-04-10/10858685.PDF: "Top-5 customer sales were RMB 11.94bn, 79.10% of total annual sales; the largest customer's sales were RMB 8.23bn, 54.54% of total."
- [confirms] NE Time (ZH, news, published 2024-11-01) https://ne-time.cn/web/article/37116: "Ronbay was formally established as CATL's #1 sodium-ion cathode-powder supplier; CATL commits to purchase no less than 60% of its annual sodium cathode-powder demand from Ronbay; valid to Dec 31 2029 with auto-renewal."

### Tinci Materials (mid)  → /tinci.md
- metric: Count 58,600 t · 2024-06~2025-12(만료·미갱신) · electrolyte per solid LiPF6 (expired)
- note: CATL had sourced electrolyte from Tinci. A June 2024 agreement supplied electrolyte for 58,600t of solid LiPF6 (~500kt) through end-2025, but that long-term deal expired on Dec 31, 2025 without renewal. CATL reshuffled its 2026-2028 electrolyte supply to Shinbang (300kt) and Yongtai (470kt).
- [confirms] Sina Finance (ZH, news, published 2024-06-17) https://finance.sina.com.cn/stock/bxjj/2024-06-17/doc-inayzhac2720115.shtml: "Ningde Kaixin signed an agreement to supply CATL with electrolyte corresponding to 58,600 tons of solid LiPF6 through December 31, 2025."

### 엔켐 (mid)  → /enchem.md
- metric: Amount 1.5 KRW조 · 5년(2025-11 보도) · CATL-Enchem electrolyte deal (pending)
- note: CATL was reported in November 2025 to be close to a five-year, about KRW 1.5tn electrolyte supply deal with Enchem.
- [confirms] KED Global (EN, news, published 2025-11-28) https://www.kedglobal.com/batteries/newsView/ked202511280001: "CATL is poised to enter a five-year, KRW 1.5tn ($1bn) electrolyte supply contract with Enchem."

### BTR New Material (mid)  → /btr-new-material.md
- note: CATL sources anode material from BTR New Material, the world's top anode maker.
- [confirms] BTR New Material (EN, ir, published 2024-08-07) https://www.btrchina.com/en/News/info.aspx?itemid=1243: "BTR states it supplies anode materials to major lithium-ion battery makers including CATL."

### Yunnan Energy (Enjie) (mid)  → /yunnan-energy.md
- note: CATL sources wet-process separators from Enjie and is the 49% minority partner in their Xiamen JV separator plant.
- [confirms] Yicai Global (EN, news, published 2022-06-21) https://www.yicaiglobal.com/news/catl-yunnan-energy-jv-to-complete-usd770-million-li-ion-separator-plant-by-next-year: "Reports CATL holds 49% of the Xiamen wet-process separator JV with Yunnan Energy, whose output mainly supplies CATL's EV and ESS battery systems."

### 천보 (mid)  → /chunbo.md
- note: CATL sources specialized lithium salts such as LiPO2F2 from Korea's Chunbo, one of its electrolyte-salt and additive suppliers.
- [confirms] THE ELEC (EN, news, published 2021-01-25) https://www.thelec.net/news/articleView.html?idxno=2238: "Chunbo supplies LiPO2F2 and other salts to major battery makers including CATL."

### 양극재·리튬·소재 (비공개) (low)
- note: Cathode, lithium, electrolyte and materials.
- [confirms] CATL/SZSE (EN, filing, published 2026-03-01) https://www.catl.com/en/investor/: "Cathode, lithium, electrolyte and materials."

### 제조·증설 (비공개) (low)
- note: Cell manufacturing and gigafactory capacity.
- [confirms] CATL/SZSE (EN, filing, published 2026-03-01) https://www.catl.com/en/investor/: "Cell manufacturing and gigafactory capacity."

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

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