# Who does BYD pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/byd · Facet: suppliers · Updated: 2026-07-12T03:36:23.636+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: BYD's confirmed suppliers/cost counterparties include BYD Electronics, BTR New Material, Yunnan Energy (Enjie) plus 5 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 8 cost edges, backed by 8 dated sources, 2 of them primary filings (as of 2026-07-12).

### BYD일렉트로닉스 (high)  → /byd-electronics.md
- note: Sources smart-cockpit, intelligent-driving and thermal-management electronics for its EVs from subsidiary BYD Electronics — internalizing electronics supply through vertical integration.
- [confirms] BYD Electronic (International) (EN, filing, published 2026-04-22) https://www.hkexnews.hk/listedco/listconews/sehk/2026/0422/2026042200748.pdf: "See counterpart edge source."

### BYD전자 (high)  → /byd-electronics.md
- note: Controlling stake in the HK-listed electronics subsidiary (Apple assembly, AI servers).
- [mentions] MiniChart (research digest) (EN, research, published 2025-05-29) https://www.minichart.com.sg/2025/05/29/byd-electronic-apple-ai-hypergrowth-to-drive-26-profit-cagr-2025-forecast/: "BYD's electronics arm in Apple parts and AI servers."

### LFP 양극재 (자체+외부) (mid)
- metric: capacity 50,000 tonnes/yr · 2025~ · Chile LFP cathode rights (≥$290M)
- note: Makes much LFP cathode in-house (Chile CORFO 50,000 t/yr rights, ≥$290M, online by end-2025) but buys large external LFP cathode volumes when demand spikes.
- [confirms] Bjx.com.cn (ZH, news, published 2025-04-16) https://m.bjx.com.cn/mnews/20250416/1437229.shtml: "BYD is anxious! Scrambling to grab LFP cathode orders"

### BTR New Material (mid)  → /btr-new-material.md
- note: BYD sources anode material from BTR New Material, the world's top anode maker.
- [confirms] PR Newswire (EN, news, published 2024-08-07) https://www.prnewswire.com/news-releases/btrs-indonesian-facility-becomes-largest-anode-plant-outside-china-302216431.html: "The article names BYD among BTR's major clients."

### Yunnan Energy (Enjie) (mid)  → /yunnan-energy.md
- note: BYD is one of Enjie's 50-plus cell customers, sourcing wet-process separators.
- [confirms] Yunnan Energy New Material FY2024 Annual Report (English) (EN, filing, published 2025-06-10) https://www.semcorp.com/Public/Uploads/uploadfile/files/20250610/enjiegufen2024nianniandubaogaoyingwenban.pdf: "The report lists BYD, with CATL, EVE and CALB, among 50-plus Chinese and overseas lithium-battery customers."

### 리튬 정련사 (간펑·톈치 등) (mid)
- note: Secures upstream lithium directly (Latin America) while also buying from major refiners like Ganfeng and Tianqi.
- [confirms] news18a Auto (ZH, news, published 2024-05-01) https://auto.news18a.com/news/storys_168981.html: "Deepening lithium resource layout, BYD joins Latin American lithium mining"

### 롯데에너지머티리얼즈 (mid)  → /lotte-energy-materials.md
- note: BYD is reported to buy copper foil from Lotte Energy Materials.
- [confirms] KED Global (EN, news, published 2024-06-21) https://www.kedglobal.com/batteries/newsView/ked202406210015: "China's BYD is named as a copper foil customer of Lotte Energy Materials."

### Tinci Materials (mid)  → /tinci.md
- note: Alongside CATL, a major customer of Tinci's electrolyte; the Chinese battery and EV giant is part of Tinci's large cell-customer base.
- [confirms] Eastmoney (broker report) (ZH, news, published 2025-11-17) https://pdf.dfcfw.com/pdf/H3_AP202511171783102989_1.pdf: "The report lists Tinci's key customers as CATL and BYD, plus EVE, Gotion, LG and Tesla, and highlights self-supplied LiPF6 as part of its vertical integration."

### 소재·장비 (비공개) (low)
- note: Some separator/electrolyte materials and cell-manufacturing equipment are externally sourced, but BYD does not disclose specific suppliers (heavy vertical integration).
- [confirms] Sina Finance (ZH, news, published 2025-08-06) https://finance.sina.com.cn/roll/2025-08-06/doc-infiztfs8370820.shtml: "FinDreams expands capacity! 184,000 LFP battery packs"

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

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