Semiconductors · Northern tech corridor
TMC
TMC (2338) is a listed Semiconductors company, registered in Hsinchu.
Compiled from the Ministry company filing and listed-company records.
Hsinchu · 2338
台灣光罩股份有限公司 (TMC), ticker 2338, uniform number 22099408. Chairman 凃俊光. General manager 陳立惇. Spokesperson 陳立惇. Paid-in capital NT$3,703,491,830. Founded 1988. Listed 1995-04-17. Address NO.11 INNOVATION RD.1,SCIENCE-BASE INDUSTRIAL PARK,HSINCHU. Phone (03)563-4370. Fax (03)578-0752. Site http://www.tmcnet.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.
No official company video was checked. Guest and press videos are below.
Guests and press
youtube · DIGITIMES
光罩，在半導體產業扮演關鍵角色《矽島．春秋》人物誌｜台灣光罩總經理 陳立惇
Main products
- Semiconductors
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 光罩 actually do?
TMC (ticker 2338) is filed under Semiconductors. TMC (2338) is a listed Semiconductors company, registered in Hsinchu. Their own site is http://www.tmcnet.com.tw.
How do I reach them?
They are registered at NO.11 INNOVATION RD.1,SCIENCE-BASE INDUSTRIAL PARK,HSINCHU (Hsinchu). Phone (03)563-4370. Fax (03)578-0752. No separate mailbox is listed. Or start from their site: http://www.tmcnet.com.tw. The map pin is only to show the area, not an invitation to walk in.
Who should I ask for?
Chairman 凃俊光. General manager 陳立惇. Spokesperson 陳立惇. 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 1988. Listed 1995-04-17. Paid-in capital NT$3,703,491,830. 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 http://www.tmcnet.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 http://www.tmcnet.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?
TMC, ticker 2338, uniform number 22099408. The ministry filing is here: https://findbiz.nat.gov.tw/fts/query/QueryCmpyDetail/queryCmpyDetail.do?banNo=22099408.
Who else is in the same line of work?
They sit in Semiconductors. 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 TMC. Call them at (03)563-4370, or open http://www.tmcnet.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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