To Become the Best Application of the Copper Foil Manufacturer and Service Provider.

'A generation of material that determines a generation's product'. Looking to the future product specifications and design requirements, thinking with destructive innovation, to play the artisan spirit, to provide long-term stable quality copper foil, to create win-win value.

About Co-Tech

Investor Relations

Co-tech Development Corporation stock exchange code: 8358. Please visit the Taiwan stock market inquiry.

Financial Information
  • May Operating Income



  • May Value in the Previous



Green production ‧ Environmental sustainability

Under the belief of “minimizing the pollution, cherish the sources, caring for environment and saving the earth”, every employee individual in Co-Tech devotes to protect the environment.

Our Environmental Policy Declares