Unified Business No.

16325089

Industry

Tobacco Manufacturing (1,186)

Listing

Listed (TPEx) (890) 8272

Founded

1998-04-14

Paid-in capital

NT$ 189,977,550

Phone

03-5630688

Website

http://www.changingtec.com

Exporter

Yes — registered with the Trade Administration

Annual revenue band

NT$100–500M

Ownership

Group subsidiary / corporate-held · Wei Chuang Shu Chi Tou Tzu Holdings Co., Ltd.

Representative tenure

In office since 2017-06 (9 yrs); last handover 2017-06

Growth & profitability

Revenue 2026-09 YoY +20.5%, year-to-date +1.7%
Gross margin 74.3%, operating margin 15.4%, net margin 13.8% (2026-Q2 YTD)

Patents 3

• 2026 Hash-based post-quantum multiple signature system, method and computer-readable medium thereof
• 2023 Dual-mode digital seal generation and verification system
• 2023 Electronic signature device

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