Unified Business No.

16836218

Industry

Tobacco Manufacturing (1,186)

Listing

Listed (TPEx) (890) 6188

Founded

1999-02-10

Paid-in capital

NT$ 2,783,589,100

Phone

03-3288090

Website

http://www.qsitw.com

Exporter

Yes — registered with the Trade Administration

Annual revenue band

≥ NT$5B

Ownership

Group subsidiary / corporate-held · QUANTA COMPUTER INC.

North American market

FCC equipment authorization

Representative tenure

In office since 2021-01 (5 yrs); last handover 2021-01

Growth & profitability

Revenue 2026-09 YoY -13.9%, year-to-date -11.3%
Gross margin 26.2%, operating margin 4.9%, net margin 8.2% (2026-Q2 YTD)

Compliance record

Labour Standards Act penalties: 1 case(s) in 5 years, latest 2024-07-12, fines NT$ 20,000 (Art. 22) — matched by company name

Processes & materials 1

• Optoelectronics (337) · Company nameSelf-reported

Patents 3

• 2026 Magnetic attachment storage device
• 2025 Magnetic attachment storage device
• 2025 Magnetic storage device with wireless charging function

North American market evidence 1

• FCC equipment authorization S7Q

Similar companies 10

• VIEWSTD TECHNOLOGY CO., LTD. · Taoyuan City NT$20–100M estimated
  Shared: Optoelectronics, Other electronic components manufacturing n.e.c., Other optical instruments & equipment manufacturing n.e.c., Other computer peripheral equipment manufacturing n.e.c.
• ARCMEN OPTOELECTRONICS CORP. · New Taipei City < NT$20M estimated
  Shared: Optoelectronics, Other optical instruments & equipment manufacturing n.e.c., Other household appliances manufacturing n.e.c.
• SILICON OPTRONICS, INC. Listed (TWSE) NT$1–5B
  Shared: Optoelectronics
• Lien Chia Kuang Tien Tou Tzu Holdings Co., Ltd. Listed (TWSE) ≥ NT$5B
  Shared: Optoelectronics
• JEN HUA ELECTRONICS CO., LTD. · New Taipei City < NT$20M estimated
  Shared: Optoelectronics, Other electronic components manufacturing n.e.c., Other computer peripheral equipment manufacturing n.e.c.
• PRORADIANT OPTO. CO., LTD. · Taoyuan City < NT$20M estimated
  Shared: Optoelectronics, Other electronic components manufacturing n.e.c., Other computer peripheral equipment manufacturing n.e.c.
• LUMENS DIGITAL OPTICS INC. · Hsinchu County NT$20–100M estimated
  Shared: Optoelectronics, Other optical instruments & equipment manufacturing n.e.c.
• MIYABI TECHNOLOGY CO., LTD. · Taichung City NT$20–100M estimated
  Shared: Optoelectronics, Other electronic components manufacturing n.e.c., Other optical instruments & equipment manufacturing n.e.c.
• KINGYOUP OPTRONICS CO., LTD. · Tainan City NT$100–500M estimated
  Shared: Optoelectronics, Other optical instruments & equipment manufacturing n.e.c.
• BRISK TECH CO., LTD. · Taoyuan City < NT$20M estimated
  Shared: Optoelectronics, Other electronic components manufacturing n.e.c.

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