Optoelectronics · Central manufacturing heart
G-TECH
G-TECH (3149) is a listed Optoelectronics company, registered in Miaoli.
Compiled from the Ministry company filing and listed-company records.
Miaoli · 3149
正達國際光電股份有限公司 (G-TECH), ticker 3149, uniform number 97049373. Chairman 許庭禎. General manager 洪敏男. Spokesperson 吳泰丠(暫代). Paid-in capital NT$2,862,336,040. Founded 1996. Listed 2011-11-23. Address NO.99, CHUNG HSIN RD., TONGLUO SHIANGMIAOLI COUNTY ,TAIWAN(R.O.C). Phone 037-236988. Fax 037-236929. Email ir@gtoc.com.tw. Site https://www.gtoc.com.tw. Source: Taiwan Stock Exchange open data dated 13 Oct 2026, checked against the twincn listed-company search.
Media
The company's latest public videos, then guest and press videos. They play here when the platform allows an embed.
From the company
youtube · 正達國際光電股份有限公司.
正達水明鏡 中文版
Guests and press
youtube · 幸福空間
突破傳統 玻璃科技創新用法【正達光電】[HD]
Main products
- Optoelectronics
Certifications
No certificate is copied here. Ask the company for the original.
Export markets
Listed company. See the annual report.
Questions
Want to ask more? Use the guide at the lower right. On this page I only talk about this company.
What does 正達 actually do?
G-TECH (ticker 3149) is filed under Optoelectronics. G-TECH (3149) is a listed Optoelectronics company, registered in Miaoli. Their own site is https://www.gtoc.com.tw.
How do I reach them?
They are registered at NO.99, CHUNG HSIN RD., TONGLUO SHIANGMIAOLI COUNTY ,TAIWAN(R.O.C) (Miaoli). Phone 037-236988. Fax 037-236929. Email ir@gtoc.com.tw. Or start from their site: https://www.gtoc.com.tw. The map pin is only to show the area, not an invitation to walk in.
Who should I ask for?
Chairman 許庭禎. General manager 洪敏男. Spokesperson 吳泰丠(暫代). These names are on the exchange filing. Ask the switchboard for them. They may not pick up personally.
How big are they, and when did they list?
Founded 1996. Listed 2011-11-23. Paid-in capital NT$2,862,336,040. Headcount is not on this public table, so I will not guess it.
Can I ask them for a quote or OEM work?
You can ask. This page has no price list and no MOQ. It also does not say whether they take OEM or ODM. Start at https://www.gtoc.com.tw.
Can I see their certificates first?
No certificate is shown here. A company filing usually does not attach ISO paperwork. Ask them for the original. I will not assume which ones they hold.
Where is their website, and are they on social?
Their site is https://www.gtoc.com.tw. The site does not list a social account, so I will not guess one. The logo is the one on their site.
What is the ticker and uniform number, so I have the right company?
G-TECH, ticker 3149, uniform number 97049373. The ministry filing is here: https://findbiz.nat.gov.tw/fts/query/QueryCmpyDetail/queryCmpyDetail.do?banNo=97049373.
Who else is in the same line of work?
They sit in Optoelectronics. The other companies in that chapter are on the chapter page, with address and phone.
Can I place the order here?
No. We do not take payment, and we do not quote for G-TECH. Call them at 037-236988, or open https://www.gtoc.com.tw. The site is presented by 時刻智能 × BRANDOMINATION. Email abitmore131@gmail.com, phone +886 2 7742 6299.
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