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SHIEH YIH MACHINERY INDUSTRY CO., LTD

協易機械工業股份有限公司

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1982Founded
NT$1.8BPaid-in capital
1Plants
2Certifications
10Patents
NT$1–5BRevenue band
Unified Business No.
36096704
Industry
Machinery & Equipment (12,724)
Main products
General-purpose machinery (7,534)
Location
NO. 446, NAN SHANG RD., KUEISHAN VILLAGE,TAOYUAN COUNTY, TAIWAN, R.O.C.
Taoyuan City (10,976) · Guishan Dist. (1,601)
Listing
Listed (TPEx) (890) 4533
Organisation type
Company Limited by Shares
Founded
1982-03-02
Paid-in capital
NT$ 1,784,341,100
Representative
Kuo Ya-huei
Phone
(03)3525466
Website
https://www.seyi.com
Exporter
Yes — registered with the Trade Administration
Annual revenue band
NT$1–5B
Ownership
Group subsidiary / corporate-held · Yu Cheng Tou Tzu Co., Ltd.
Representative tenure
In office since at least 2013 (13+ years)
Growth & profitability
Revenue 2026-09 YoY +28.2%, year-to-date +0.8%
Gross margin 21.6%, operating margin -2.6%, net margin 1.1% (2026-Q2 YTD)
Compliance record
Occupational safety penalties: 3 case(s) in 5 years, latest 2023-01-07, fines NT$ 260,000 (Art. 30; Art. 241; Art. 277) — matched by company name

Certifications 2

  • ISO 14001 (1,159)Official registry Valid until 2028-11-08 · Metal Industries Research & Development Centre (MIRDC)
  • ISO 9001 (4,293)Official registry Valid until 2027-10-20 · Metal Industries Research & Development Centre (MIRDC)

Processes & materials 1

Patents 10

  • 2026 Rotary joint
  • 2026 Oil cylinder structure for stamping vibration simulation
  • 2026 Oil cylinder type buffer device

Similar companies 10

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