UNITED MICROELECTRONICS CORP.
聯華電子股份有限公司
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1980Founded
NT$125.7BPaid-in capital
7Plants
3Certifications
425Patents
≥ NT$5BRevenue band
- Unified Business No.
- 47217677
- Industry
- Electronic Components (2,523)
- Main products
- Semiconductors (243)
- Location
- No.3, Li-Hsin Road 2, Science-Based Industrial Park, Hsin-Chu City, Taiwan, R.O.C.
Hsinchu City (1,019) · East Dist. (401) - Listing
- Listed (TWSE) (1,087) 2303
- Registration status
- Approved / Active
- Organisation type
- Company Limited by Shares
- Founded
- 1980-05-22
- Paid-in capital
- NT$ 125,700,938,990
- Representative
- Wu Tsung-hsien
- Phone
- 03-5782258
- Website
- http://WWW.UMC.COM
- Exporter
- Yes — registered with the Trade Administration
- Annual revenue band
- ≥ NT$5B
- Ownership
- Group subsidiary / corporate-held · SILICON INTEGRATED SYSTEMS CORP.、Hsi Tung Technology Co., Ltd.
- North American market
- FCC equipment authorization
- Representative tenure
- In office since at least 2013 (13+ years)
- Growth & profitability
- Revenue 2026-09 YoY +27.2%, year-to-date +16.1%
Gross margin 30.9%, operating margin 20.2%, net margin 45% (2026-Q2 YTD) - Compliance record
- Environmental penalties: 1 case(s) in 5 years, latest 2025-07-24, fines NT$ 13,500 (water pollution)
Labour Standards Act penalties: 11 case(s) in 5 years, latest 2026-06-17, fines NT$ 1,370,000 (Art. 24; Art. 32; Art. 39) — matched by company name
Plants 7
- Fa b1 2A Plant · No. 20, No. 18, Nanke 2nd Rd., Xinshi, Tainan City In production
- Fa 2Achang 2A Plant 2 Site · No. 57, Nanke 3rd Rd., Xinshi, Tainan City In production
- Fab8A · No. 3, 5, Lixing 2nd Rd. (Hsinchu Science Park), East Dist., Hsinchu City In production
- Fab8D · No. 6, 8, Lixing 3rd Rd. (Hsinchu Science Park), East Dist., Hsinchu City In production
- Fab8E · No. 17, Lixing Rd. (Hsinchu Science Park), East Dist., Hsinchu City In production
- Fab8F · No. 3, Lixing 6th Rd. (Hsinchu Science Park), East Dist., Hsinchu City In production
- Fab8S · No. 16, Yanxin 1st Rd. (Hsinchu Science Park), Baoshan Township, Hsinchu County In production
Certifications 3
- ISO 45001 (962)Official registry Valid until 2028-11-15 · Li'enwei International Certification Co., Ltd.
- ISO 50001 (296)Official registry · SGS Taiwan Ltd.
- TOSHMS (271)Official registry · Li'enwei International Certification Co., Ltd.
Patents 425
- 2026 Semiconductor structure comprising high-voltage element and low-voltage element and manufacturing method thereof
- 2026 Semiconductor device and manufacturing method thereof
- 2026 Semiconductor device and manufacturing method thereof
North American market evidence 1
- FCC equipment authorization HBQ
Recent changes 1
- PenaltiesLabour Standards Act penalties: latest case 2026-06-17; 11 case(s) in 5 years, fines NT$ 1,370,000
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