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History

  • 2022's

    • Obtained the invention patent of the “Micro-Coarsened Electrolyzed Copper Foils and Copper-Cladded Substrate with It” (RTF) in Japan.
    • Obtained the invention patent of the “Advanced RT Electrolyzed Copper Foils with Island Microstructure and Application of Copper Foil Substrate” (particulate form) in China.
    • Obtained the invention patent of the “Advanced RT Electrolyzed Copper Foils and Application of Copper Foil Substrate” (RG312) in USA.

  • 2021's

    • Obtained the invention patent of the “Advanced RT Electrolyzed Copper Foils and Copper Foil Substrate” in Taiwan.
    • Obtained the invention patent of the “Advanced RT Electrolyzed Copper Foils and Application of Copper Foil Substrate” (RG312) in Taiwan.
    • Obtained the invention patent of the “Micro-Coarse Electrolyzed Copper Foils and Copper Foil Substrate” (HVLP) in China.
    • Obtained the invention patent of the “Micro-Coarsened Electrolyzed Copper Foils and Copper-Cladded Substrate with It” (RG311) in Japan.
    • Obtained the invention patent of the “Micro-Coarse Electrolyzed Copper Foils and Copper Foil Substrate” (HVLP) in USA.
    • Obtained the invention patent of the “Advanced RT Electrolyzed Copper Foils with Island Microstructure and Application of Copper Foil Substrate” (particulate form) in Taiwan.
    • Obtained the invention patent of the “Micro-Coarse Electrolyzed Copper Foils and Copper Foil Substrate” (VL411) in Taiwan.
    • Obtained the invention patent of the “Micro-Coarse Electrolyzed Copper Foils and Copper Foil Substrate” (VL411) in China.
    • Obtained the invention patent of the “Micro-Coarsened Electrolyzed Copper Foils and Copper-Cladded Substrate with It” (RTF) in USA.
    • Obtained the invention patent of the “Micro-Coarsened Electrolyzed Copper Foils and Copper-Cladded Substrate with It” (RTF) in China.
    • Obtained the invention patent of the “Micro-Coarsened Electrolyzed Copper Foils and Copper-Cladded Substrate with It” (RG311) in USA.
    • Obtained the invention patent of the “Advanced RT Electrolyzed Copper Foils and Copper Foil Substrate” (RG311) in China.

  • 2020's

    • The Board of Directors approved the proposal of a simple merger with Essen Optics Technology Inc.
    • Obtained the invention patent of the “Electrolysis Production Equipment for Copper Foils and Its Current Adjustment Device” (RG311) in China.
    • Obtained the invention patent of the “Micro-Coarsened Electrolyzed Copper Foils and Copper-Cladded Substrate with It” (RG311) in Taiwan.

  • 2019's

    • Obtained the certificate for ISO-45001 2018 occupational safety and health management system (originally OHSAS-18001)
    • Obtained the invention patent of the “Micro-Coarse Electrolyzed Copper Foils and Copper Foil Substrate” (RTF) in Taiwan.
    • Obtained the invention patent of the “Micro-Coarse Electrolyzed Copper Foils and Copper Foil Substrate” (HVLP) in Taiwan.
    • Essen Optics Technology Inc.’s capital increased by 99.999996%, and the stake increased to 100.00%.
    • Invested in Essen Optics Technology Inc. for NT$85,000 thousand.

  • 2018's

    • Obtained the invention patent of the “Electrolysis Production Equipment for Copper Foils and Its Current Adjustment Device” in Taiwan.
    • Obtained the certificate for ISO9001: 2015 version of quality management system.
    • Obtained the certificate for IIATF16949: 2016 version of automobile quality management system (Originally TS16949).

  • 2017's

    • Invested in Essen Optics Technology Inc. for NT$110,000 thousand, and the stake increased to 76.4%.
    • Essen Optics Technology Inc.’s capital decreased by 50%.
    • Invested in Essen Optics Technology Inc. for NT$189,000 thousand, and the stake increased to 91.07%.
    • Selected as the component of the “TPEx 50 Index.”
    • Through the Taiwan Industry Innovation Platform Program of MOEA, the contract of the “Ultra-Low Coarse Copper Foil for High-Frequency 5G Industry High-Value Material” was entered.
    • Awarded for the Best Trade Contribution Award (Metal) of the Awards for Excellent Trading Business by MOEA.
    • The capital increased in cash with 42 million shares, issued with the premium price of NT$47.8 per share.
    • Co-Tech is included in the “MSCI Small Components.”

  • 2016's

    • Obtained the invention patent of “The Copper Foils for Heat-Resistant Li-ion Batteries and the Manufacturing Method” in Taiwan.
    • Obtained the certificate for ISO-14001 2015 version of environment management system.
    • Essen Optics Technology Inc.’s capital decreased by 50%.

  • 2015's

    • Conducted the registration for capital decrease with cancellation of treasury shares. The cancelled treasury shares and the decreased capital were 1,112,000 shares and NT$11,120,000, respectively. The paid-up capital after the capital decrease was NT$2,105,880,000.

  • 2014's

    • Reinvested in Essen Optics Technology Inc. for NT$110,000 thousand, for 55% of the stake.
    • The Company was renamed as “Co-Tech Development Corporation.”
    • Obtained the certificates for IOS-50001:2011/ CNS50001 energy management system.

  • 2013's

    • Obtained the certificates of OHSAS-18001 2007 version and CNS15506 2011 version of occupational safety and health management system.
    • Obtained the invention patent of “The Copper Foils Coarsened and the Manufacturing Method” in Taiwan.

  • 2012's

    • Obtained the certificate for TS-16949 2009 version of automobile quality management system.
    • Obtained CG-6007 general version of corporate governance system evaluation certificate.

  • 2011's

    • The arsenic-free manufacturing process was introduced for official mass production.

  • 2010's

    • Obtained the certificate for ISO-9001 2008 version of quality management system.
    • The lead anode changed to Titanium anode at the copper foil machine.
    • Approved by Taipei Exchange, the Company’s shares were listed in TPEx and ending the trading at the emerging stock market.
    • The capital increased in cash with 11.7 million shares, issued with the premium price of NT$21 per share.

  • 2009's

    • Increased the capital of Co-Tech Copper Foil (BVI) Inc for US$3,300 thousand.

  • 2007's

    • Obtained the certificate for ISO-14001 2004 version of environment management.
    • Approved by the Taipei Exchange to trade the shares at its emerging stock market.

  • 2006's

    • Attended the 2006 National Sustainable Development Award, held by the National Council for Sustainable Development. The Company was rated as the Excellent Enterprise in the Sustainable Enterprise Promotion Section and received the “Enterprise Sustainable Development Award.”
    • The approved total registered capital was NT$3 billion, and the paid-up capital was NT$2 billion.
    • Accommodated the Environmental Protection Administration’s promotion of Green Consumption of Public and received the “2006 Green Procurement Excellent Enterprise and Group Award.”

  • 2005's

    • The recycling method of wasted copper foil (II) was awarded the patent right of the People’s Republic of China. The valid period is 20 years, from October 23, 2001.
    • The capital increased in cash with 16 million shares, issued with the discounted price of NT$9 per share.

  • 2004's

    • The recycling method of wasted copper foil (I) was awarded the patent right of the Republic of China. The valid period is from March 21, 2004 to October 7, 2021.
    • The third and fourth production lines at Production Base II commenced the mass production.
    • The recycling method of wasted copper foil (I) was awarded the patent right of the People’s Republic of China. The valid period is 20 years, from October 23, 2001

  • 2003's

    • The first and second production lines at Production Base II commenced mass production.
    • The capital increased in cash with 30 million shares, issued with the face value of NT$10 per share.
    • Invested in Co-Tech Copper Foil (BVI) Inc. for US$200 thousand, and through Co-Tech Copper Foil (BVI) Inc., the Company reinvested in Jinqianbo International Trade (Shanghai) Limited in China indirectly, with approval of the Investment Board.

  • 2002's

    • Production Base II was completed.

  • 2001's

    • The capital increased in cash with 54 million shares, issued with the premium price of NT$30 per share.
    • Obtained the certificate for ISO-9001 2000 version of quality management system.
    • Obtained the certificate for ISO-14000 1996 version of environment management.

  • 2000's

    • The first and second production lines at Production Base I commenced the mass production.
    • The third production line at Production Base I commenced mass production.
    • The fourth production line at Production Base I commenced mass production.
    • The shares’ public listing was approved.

  • 1999's

    • Production Base I was completed.

  • 1998's

    • The establishment was approved as a professional electrolytic copper foil plant in the Yunlin Technology-based Industrial Park. The registered capital was NT$2 billion.

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