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ASTI, which started its business from manufacturing instruments and automotive electronics, has been refining its core technologies, such as manufacturing high weatherproof products and packaging high-density circuits, for half a century. Combining these technologies, we are developing business of "wire harness", "on-board electrical equipment", and "consumer industrial equipment".

  • Wire Harness

    Wire Harness

    We supply the fun and or controllability to drivers with the “nerve of car”.

  • Electrical equipment for cars

    Electrical equipment for cars

    We provide things having functions to form the “automotive infosphere”.

  • Home & Industory Electronics

    Home & Industory Electronics

    We contribute through manufacturing the products having the "well assembled intelligence" to the smart life or the production at updated factory.



Our mission is to provide technology and products that bring us the true trust of customers in every generation.

  • Production technology

    Production &
    Technical Engineering

  • Technological development

    Technical Engineering &

  • Quality control

    Quality control