Devotion to Quality,

Strive for Perfection

Environmentally Friendly

Safety First

About Taiyifong

Our Story

Tai Yi Fong Co., Ltd. (hereinafter referred to as “TYF”), an investment of Yi-Chiu Group, was established in 2009. In 2010, it signed a joint venture agreement with Toyota Tsusho Corporation, the subsidiary of Toyota Motor Corporation. The two parties invested a total amount of 300 million in 2011, and on April 1st, 2011, TYF began official operation. In September of the same year, Formosa Oil Co., Ltd., as subsidiary of the Formosa Group, also became an investor. TYF is…

Testing Service

Selling products worldwide, TYF has enhanced the testing procedures in laboratory test. Certified by TAF (Taiwan Accreditation Foundation), TYF produces transformer oil and lubricating oil with the highest standards on product quality.

Our Team

Jiahong Chin



  • Council of Taoyuan City Hall
  • Honorary Director of The Manufactures United General Association of Industrial Park of ROC


  • Founder of National Petroleum Corporation, Chairman in first three years
  • Director of Taipei City Oil Trade Association
  • Director of Taipei County Fuel Station Trade Association

Charles Chin


Experience: chemical related

  • Vice President of Yi-Chiu Chemical & Technical Co., Ltd.
  • President of Taiyifong Co., Ltd.

Experience: environmental, energy-related

  • President of Fortune Electric United General Association
  • Current Director of Yi-Tzeng Co., Ltd.
  • Current Director of Yi-Chiu Corporation

Experience: shipping and cargo-related

  • Current Director of Coastal Performance and International, Co., Ltd.
  • Director Taiwan Fuel & Energy Supply Co., Ltd.
Quality Certification
ISO 14001:2015 Certified


ISO 9001:2015 Certified


CNS 45001:2018 Certified


ISO 45001: 2018 Certified


ISO/IEC 17025:2017;CNS 17025:2018 Certified
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