Communications & internet · Northern tech corridor
CASWELL
CASWELL (6416) is a listed Communications & internet company, registered in New Taipei.
Compiled from the Ministry company filing and listed-company records.
New Taipei · 6416
瑞祺電通股份有限公司 (CASWELL), ticker 6416, uniform number 28488592. Chairman 朱復銓. General manager 洪德富. Spokesperson 陳衍詳. Paid-in capital NT$733,484,600. Founded 2007. Listed 2018-04-16. Address 12F, No.308, Jianguo 1st Rd., Xinzhuang Dist.,New Taipei City 242047,Taiwan. Phone 02-77275788. Fax 02-77275799. Email spokesman@cas-well.com. Site https://www.cas-well.com. 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 · caswell瑞祺電通
瑞祺電通上市前業績發表會
Guests and press
youtube · 曲博科技教室 Dr. J Class
【曲博科技教室 EP292】瑞祺電通、微軟、新凱來、精成科技、Lincstech、Deepeek、世芯、英特爾、ASML
Main products
- Communications & internet
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 瑞祺電通 actually do?
CASWELL (ticker 6416) is filed under Communications & internet. CASWELL (6416) is a listed Communications & internet company, registered in New Taipei. Their own site is https://www.cas-well.com.
How do I reach them?
They are registered at 12F, No.308, Jianguo 1st Rd., Xinzhuang Dist.,New Taipei City 242047,Taiwan (New Taipei). Phone 02-77275788. Fax 02-77275799. Email spokesman@cas-well.com. Or start from their site: https://www.cas-well.com. The map pin is only to show the area, not an invitation to walk in.
Who should I ask for?
Chairman 朱復銓. General manager 洪德富. Spokesperson 陳衍詳. 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 2007. Listed 2018-04-16. Paid-in capital NT$733,484,600. 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.cas-well.com.
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.cas-well.com. 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?
CASWELL, ticker 6416, uniform number 28488592. The ministry filing is here: https://findbiz.nat.gov.tw/fts/query/QueryCmpyDetail/queryCmpyDetail.do?banNo=28488592.
Who else is in the same line of work?
They sit in Communications & internet. 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 CASWELL. Call them at 02-77275788, or open https://www.cas-well.com. The site is presented by 時刻智能 × BRANDOMINATION. Email abitmore131@gmail.com, phone +886 2 7742 6299.
Other members in this chapter
Communications & internet
MTI
2314 · MTI
Hsinchu · Hsinchu
MTI (2314) is a listed Communications & internet company, registered in Hsinchu.
Communications & internet
TECOM
2321 · TECOM
Hsinchu · Hsinchu
TECOM (2321) is a listed Communications & internet company, registered in Hsinchu.
Communications & internet
D-LINK
2332 · D-LINK
Taipei · 內湖區
D-LINK (2332) is a listed Communications & internet company, registered in Taipei.
Communications & internet
ACCTON
2345 · ACCTON
Hsinchu · 竹北市
ACCTON (2345) is a listed Communications & internet company, registered in Hsinchu.
Communications & internet
CHT
2412 · CHT
Taipei · Taipei
CHT (2412) is a listed Communications & internet company, registered in Taipei.
Communications & internet
H.T.
2419 · H.T.
Hsinchu · Hsinchu
H.T. (2419) is a listed Communications & internet company, registered in Hsinchu.