What KYEC makes for data centers
public · HQ Taiwan
KYEC is a publicly listed company and based in Taiwan. It appears on 2 parts of the AI data center — Semiconductor test & burn-in and OSATs taking CoWoS back-end and overflow — in the role of manufacturer. Those parts sit in Layer 1 — Compute silicon & packaging. Its shares trade on Taiwan Stock Exchange as 2449.TW.
Parts, by layer
Layer 1 — Compute silicon & packaging
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Semiconductor test & burn-in | manufacturer | inferred | Advantest, Aehr, Cohu, FormFactor, ISC, Leeno | test services |
| OSATs taking CoWoS back-end and overflow | manufacturer | inferred | ASE Technology (ASE/SPIL), Amkor, Powertech | test |
Where KYEC sits in the stack
KYEC's placements in this catalog cover 2 parts, all in layer 1, compute silicon & packaging. 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
- OSATs taking CoWoS back-end and overflow — Outsourced assembly and test (OSAT) providers that take on back-end assembly and overflow packaging work when primary CoWoS capacity is full.
- Semiconductor test & burn-in — The automated test equipment, probe cards, sockets, and burn-in systems used to verify a chip works before and after it's packaged.
Closest peers in this catalog
Seen in real machines
KYEC is named in 1 of the rack teardowns and supercomputer breakdowns on this site. Each line below is a piece of that machine.
- Nvidia GB300 NVL72 · rack teardown
- Rack-level test and burn-in
Monthly revenue (TWSE/TPEx filing)
| Month | Revenue (TWD m) | MoM | YoY |
|---|---|---|---|
| 2026-09 | 4,071 | -0.2% | 24.5% |
| 2026-08 | 4,080 | 2.2% | 31.6% |
| 2026-07 | 3,991 | 10.2% | 36.8% |
| 2026-06 | 3,622 | -4.1% | 28.6% |
| 2026-05 | 3,777 | 0.9% | 36.6% |
| 2026-04 | 3,743 | 4.0% | 34.6% |
| 2026-03 | 3,598 | 11.6% | 36.1% |
| 2026-02 | 3,225 | -4.3% | 41.0% |
| 2026-01 | 3,370 | 3.5% | 41.3% |
| 2025-12 | 3,254 | -1.2% | 33.0% |
| 2025-11 | 3,293 | -3.7% | 34.9% |
| 2025-10 | 3,419 | 4.5% | 41.8% |
Questions about KYEC
- What does KYEC make for AI data centers?
- This catalog places KYEC on 2 parts: Semiconductor test & burn-in (manufacturer) and OSATs taking CoWoS back-end and overflow (manufacturer).
- Is KYEC publicly traded?
- Yes — KYEC is listed on Taiwan Stock Exchange under 2449.TW. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is KYEC based?
- Taiwan, per the company record in this catalog.
- Who else makes semiconductor test & burn-in for AI data centers?
- Advantest, Aehr, Cohu, FormFactor, ISC and Leeno are also placed on Semiconductor test & burn-in in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For KYEC the mix is 2 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.