Plastics · Northern tech corridor
YC
YC (4306) is a listed Plastics company, registered in Taipei.
Compiled from the Ministry company filing and listed-company records.
Taipei · 4306
炎洲股份有限公司 (YC), ticker 4306, uniform number 35894259. Chairman 李書緯. General manager 李其政. Spokesperson 張詠傑. Paid-in capital NT$6,767,572,160. Founded 1978. Listed 2008-01-21. Address 7F., No.397, Xingshan Rd., Neihu Dist., Taipei City 11469, TaiwanTaipei City , Taiwan, R.O.C.. Phone 02-81706199. Fax 02-87921311. Email anna87176@ycgroup.tw. Site https://www.ycgroup.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 · 法說解碼 | 法人級深度研報Flipingtheworld
炎洲（4306）營業利益大增 現金流仍為負
Main products
- Plastics
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 炎洲 actually do?
YC (ticker 4306) is filed under Plastics. YC (4306) is a listed Plastics company, registered in Taipei. Their own site is https://www.ycgroup.tw/.
How do I reach them?
They are registered at 7F., No.397, Xingshan Rd., Neihu Dist., Taipei City 11469, TaiwanTaipei City , Taiwan, R.O.C. (Taipei). Phone 02-81706199. Fax 02-87921311. Email anna87176@ycgroup.tw. Or start from their site: https://www.ycgroup.tw/. The map pin is only to show the area, not an invitation to walk in.
Who should I ask for?
Chairman 李書緯. General manager 李其政. Spokesperson 張詠傑. 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 1978. Listed 2008-01-21. Paid-in capital NT$6,767,572,160. 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.ycgroup.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.ycgroup.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?
YC, ticker 4306, uniform number 35894259. The ministry filing is here: https://findbiz.nat.gov.tw/fts/query/QueryCmpyDetail/queryCmpyDetail.do?banNo=35894259.
Who else is in the same line of work?
They sit in Plastics. 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 YC. Call them at 02-81706199, or open https://www.ycgroup.tw/. The site is presented by 時刻智能 × BRANDOMINATION. Email abitmore131@gmail.com, phone +886 2 7742 6299.
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