What Sieyuan makes for data centers
public · HQ China
Sieyuan is a publicly listed company and based in China. It appears on 1 part of the AI data center — HV switchgear, GIS, breakers, protection relays — in the role of manufacturer. That part sits in Layer 7 — Electrical: power distribution (grid to rack). Its shares trade on Shenzhen Stock Exchange as 002028.SZ.
Listing
Shenzhen Stock Exchange: 002028.SZ· 109 CNY +1.30% · mkt cap 85.6B 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 7 — Electrical: power distribution (grid to rack)
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| HV switchgear, GIS, breakers, protection relays | manufacturer | inferred | Schneider Electric, ABB, Eaton, GE Vernova, Hyosung Heavy, Hyundai Electric |
Where Sieyuan sits in the stack
Sieyuan's placements in this catalog cover 1 part, all in layer 7, electrical: power distribution (grid to rack). 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
- HV switchgear, GIS, breakers, protection relays — The high-voltage switching, protection, and fault-isolation gear between the substation transformers and the campus's medium-voltage distribution, including gas-insulated (GIS) designs for compact sites.
Closest peers in this catalog
Questions about Sieyuan
- What does Sieyuan make for AI data centers?
- This catalog places Sieyuan on 1 part: HV switchgear, GIS, breakers, protection relays (manufacturer).
- Is Sieyuan publicly traded?
- Yes — Sieyuan is listed on Shenzhen Stock Exchange under 002028.SZ. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Sieyuan based?
- China, per the company record in this catalog.
- Who else makes HV switchgear, GIS, breakers, protection relays for AI data centers?
- Schneider Electric, ABB, Eaton, GE Vernova, Hyosung Heavy and Hyundai Electric are also placed on HV switchgear, GIS, breakers, protection relays in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Sieyuan 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.