YIEH UNITED STEEL CORPORATION
燁聯鋼鐵股份有限公司
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1988Founded
NT$32.2BPaid-in capital
1Plants
11Certifications
≥ NT$5BRevenue band
- Unified Business No.
- 23218395
- Industry
- Basic Metals (1,589)
- Main products
- Iron & steel (868)
- Location
- No. 600, Xinglong St., Gangshan Dist., Kaohsiung City 82057, Taiwan (R.O.C.)
Kaohsiung City (7,253) · Gangshan Dist. (1,008) - Listing
- Emerging stock (TPEx) (359) 9957
- Organisation type
- Company Limited by Shares
- Founded
- 1988-12-21
- Paid-in capital
- NT$ 32,204,136,000
- Representative
- Lin Yi-shou
- Phone
- 07-6232255
- Website
- https://www.yusco.com.tw/yu_web_m/
- Exporter
- Yes — registered with the Trade Administration
- Annual revenue band
- ≥ NT$5B
- Ownership
- Group subsidiary / corporate-held · Wei Chiao Tou Tzu Development Co., Ltd.、Kuo Tung Tou Tzu Development Co., Ltd.、Lien Huei Development Co., Ltd.、Yu Sheng Tou Tzu Development Co., Ltd.
- Representative tenure
- In office since at least 2013 (13+ years)
- Growth & profitability
- Revenue 2026-09 YoY +31.4%, year-to-date +4.6%
Gross margin -5%, operating margin -9.3%, net margin -9.8% (2026-Q2 YTD) - Compliance record
- Environmental penalties: 1 case(s) in 5 years, latest 2024-10-08, fines NT$ 6,000 (industrial waste)
Occupational safety penalties: 5 case(s) in 5 years, latest 2026-07-07, fines NT$ 100,000 (Art. 6; Art. 37) — matched by company name
Certifications 11
- ISO 45001 (962)Official registry Valid until 2028-11-27 · Li'enwei International Certification Co., Ltd.
- ISO 50001 (296)Official registry · Li'enwei International Certification Co., Ltd.
- ISO 9001 (4,293)Official registry Valid until 2026-11-27 · Li'enwei International Certification Co., Ltd.
- TOSHMS (271)Official registry Valid until 2028-11-27 · Li'enwei International Certification Co., Ltd.
- IATF 16949 (433)Self-reported
- ISO 14001 (1,159)Self-reported
- ISO 14064 (319)Self-reported
- ISO 45001 (962)Self-reported
- ISO 50001 (296)Self-reported
- ISO 9001 (4,293)Self-reported
- TOSHMS (271)Self-reported
Processes & materials 7
- Stainless steel (903) · MetalThird-party audited
- Carbon steel (199) · MetalThird-party audited
- Steel (845) · Company nameSelf-reported
- Polishing (313) · Surface treatmentSelf-reported
- Welding (626) · JoiningSelf-reported
- Precision machining (353) · MachiningSelf-reported
- Surface treatment (576) · Surface treatmentSelf-reported
Recent changes 2
- Certification expiry · UpcomingISO 9001 certificate expires on 2026-11-27
- PenaltiesOccupational safety penalties: latest case 2026-07-07; 5 case(s) in 5 years, fines NT$ 100,000
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