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Company profile · Electronic components

Co-Tech Development

金居開發股份有限公司 · 8358

What it does

Drafted and translated from cited sources, with links to the passages they are based on for your verification. Care is taken to translate its original meaning from Mandarin as closely as possible.

Co-Tech Development manufactures electrolytic copper foil, providing key materials for copper clad laminates and printed circuit boards.[1]

The company produces double-sided copper foil for flexible printed circuit boards and lithium batteries, and has developed copper foils for halogen-free, lead-free, and ultra-high frequency substrates.[2]

Monthly revenue

Latest monthRevenueYear on yearMonth on month
2026-10NT$1.1bn+58.0%+0.4%
2024-11: NT$0.56bn2024-12: NT$0.62bn2025-01: NT$0.56bn2025-02: NT$0.56bn2025-03: NT$0.60bn2025-04: NT$0.66bn2025-05: NT$0.67bn2025-06: NT$0.67bn2025-07: NT$0.65bn2025-08: NT$0.66bn2025-09: NT$0.67bn2025-10: NT$0.70bn2025-11: NT$0.72bn2025-12: NT$0.75bn2026-01: NT$0.82bn2026-02: NT$0.85bn2026-03: NT$0.86bn2026-04: NT$0.90bn2026-05: NT$0.94bn2026-06: NT$0.96bn2026-07: NT$1.01bn2026-08: NT$1.06bn2026-09: NT$1.10bn2026-10: NT$1.11bn

2024-11 to 2026-10, monthly revenue.

Foreign investors

Last 20 trading daysNet
2026-10-12 to 2026-11-10−NT$2.5bn
2026-10-12: +NT$40m2026-10-13: +NT$134m2026-10-14: −NT$48m2026-10-15: −NT$370m2026-10-16: −NT$1.2bn2026-10-19: −NT$37m2026-10-20: −NT$632m2026-10-21: −NT$1.4bn2026-10-22: −NT$667m2026-10-27: +NT$39m2026-10-28: +NT$507m2026-10-29: −NT$164m2026-10-30: −NT$182m2026-11-02: +NT$72m2026-11-03: −NT$366m2026-11-04: +NT$172m2026-11-05: +NT$279m2026-11-06: −NT$540m2026-11-09: +NT$136m2026-11-10: +NT$1.7bn

Net buying (green) and selling (red) by foreign investors, NT$ at each day's close. All companies.

Facts

Full English nameCO-TECH DEVELOPMENT CORP.
Chinese name金居開發股份有限公司
Stock code8358 (TPEx)
IndustryElectronic components
Founded22 May 1998
Listed27 Sep 2010
Paid-in capitalNT$2.5bn
Chairman李思賢
President李思賢
Headquarters18F,392,Ruey Kuang Road, Neihu, Taipei Taipei, Taiwan, R.O.C.
Websitehttp://www.co-tech.com
Official business descriptionCC01080電子零組件製造業 · CA04010金屬表面處理業 · CA01110鍊銅業

Facts from MOPS company basic information, retrieved 03 Nov 2026. The official business description is the company's own entry and can be out of date.

Sources

  1. Annual report 2025 (English), business scope · annual_report · retrieved 03 Nov 2026
  2. 歷史沿革-金居開發股份有限公司 · website · retrieved 03 Nov 2026
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Generated 2026-11-11 00:39.