Production Tour

Featured Products


CIC | CHALLENGE INDUSTRIAL CO., LTD., since 1974, is a leading manufacturer of current transformers, voltage transformers, distribution transformers, detuned reactors, epoxy insulators, electronic energy meters, etc. CIC also supplies and distributes a wide range of other electrical or electronic apparatus for the use of various industries.

Certified to ISO 9001, CIC ensures superior quality of its goods through such advanced technologies and materials as Swiss-manufactured equipment (for the production of resin insulators), Araldite® epoxy resin, and technology transferred from Messwandler-Bau (MWB) of Germany.

Backed by 44 years of experience, CIC offers custom-made products, OEM/ODM services, and technical support tailored to the needs of its discerning clientele.

Production Tour

CIC Advantages

  • Technology transferred from Messwandler-Bau (MWB) of Germany.
  • Araldite® epoxy resin used as insulation material for Current Transformers and Potential Transformers (outdoor models make use of cycloaliphatic epoxy resin).
  • Swiss-manufactured equipment for the production of resin insulators.
  • More than 40 years of manufacturing expertise.
  • ISO 9001 and ISO 14001 certified.
  • CIC-owned, internationally accredited* Advanced Electricity Laboratory (AEL) performs type tests for Current Transformers and Potential Transformers. Also offered are routine tests for Distribution Transformers. Service requests are welcome.
  • OEM and ODM solutions available.

* Accreditation by TAF (Taiwan Accreditation Foundation), a member of the International Laboratory Accreditation Cooperation and a signatory to the ILAC Mutual Recognition Arrangement (ILAC MRA).