What JL Mag makes for data centers
public · HQ China
JL Mag is a publicly listed company and based in China. It appears on 1 part of the AI data center — Rare earths & permanent magnets — in the role of manufacturer. That part sits in Layer 10 — Materials & upstream inputs. Its shares trade on Shenzhen Stock Exchange as 300748.SZ.
Listing
Shenzhen Stock Exchange: 300748.SZ· 25.67 CNY +3.09% · mkt cap 35.5B CNY
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
1 part across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 10 — Materials & upstream inputs
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Rare earths & permanent magnets | manufacturer | inferred | Arafura, Energy Fuels, Iluka, Lynas, MP Materials, Neo Performance |
Where JL Mag sits in the stack
JL Mag's placements in this catalog cover 1 part, all in layer 10, materials & upstream inputs. None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- Rare earths & permanent magnets — Rare-earth elements and the permanent magnets made from them, used in motors and fans throughout the facility, from server and cooling fans to generator and turbine components.
Closest peers in this catalog
Questions about JL Mag
- What does JL Mag make for AI data centers?
- This catalog places JL Mag on 1 part: Rare earths & permanent magnets (manufacturer).
- Is JL Mag publicly traded?
- Yes — JL Mag is listed on Shenzhen Stock Exchange under 300748.SZ. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is JL Mag based?
- China, per the company record in this catalog.
- Who else makes rare earths & permanent magnets for AI data centers?
- Arafura, Energy Fuels, Iluka, Lynas, MP Materials and Neo Performance are also placed on Rare earths & permanent magnets in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For JL Mag the mix is 1 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.