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G-TECH OPTOELECTRONICS CORPORATION

正達國際光電股份有限公司

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1996Founded
NT$2.3BPaid-in capital
2Plants
2Certifications
2Patents
NT$1–5BRevenue band
Unified Business No.
97049373
Industry
Non-metallic Mineral Products (2,406)
Main products
Glass & glass products (392)
Location
NO. 99, ZHONGXING RD., TONGLUO TOWNSHIP, MIAOLI COUNTY 366005, TAIWAN (R.O.C.)
Miaoli County (1,771) · Tongluo Township (157)
Listing
Listed (TWSE) (1,087) 3149
Registration status
Approved / Active
Organisation type
Company Limited by Shares
Founded
1996-06-27
Paid-in capital
NT$ 2,262,336,040
Representative
Chung Chih-ming
Phone
037-236988
Website
http://www.gtoc.com.tw
Exporter
Yes — registered with the Trade Administration
Annual revenue band
NT$1–5B
Ownership
Individually held
Representative tenure
In office since 2026-06 (0 yrs); last handover 2026-06
Growth & profitability
Revenue 2026-09 YoY -12.1%, year-to-date +9.1%
Gross margin -3.7%, operating margin -17.5%, net margin -16.8% (2026-Q2 YTD)
Compliance record
Environmental penalties: 3 case(s) in 5 years, latest 2026-08-07, fines NT$ 176,500 (water pollution; stationary air pollution; industrial waste)

Plants 2

Certifications 2

  • ISO 45001 (962)Official registry · SGS Taiwan Ltd.
  • ISO 9001 (4,293)Official registry Valid until 2027-06-07 · Bureau Veritas Certification (Taiwan) Co., Ltd.

Processes & materials 1

Patents 2

  • 2026 Micro-perforation processing method for glass substrate
  • 2023 Display cover glass

Recent changes 2

  • PenaltiesEnvironmental penalties: latest case 2026-08-07; 3 case(s) in 5 years, fines NT$ 176,500
  • RepresentativeRepresentative handover — now Chung Chih-ming

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