Go to global navigation

Read the article

Go to footer

Our Business


ASTI's Monozukuri* that Connects through Technology.
ASTI started its business by manufacturing electronic devices for musical instruments and automotive applications. For over half a century, we have refined our unique core technologies, which include the production of highly weather-resistant products and high-density circuit mounting.
By combining these technologies, we have expanded our business into a wide range of fields, including Automotive Electronic Components, Consumer and Industrial Equipment, and Wire Harnesses.
With an eye toward the future of Monozukuri*, we are also investing significantly in the research & development of power electronics and ultra-fine molding technologies. By advancing these efforts, we are transforming our technological assets into products that enrich the future.

*Monozukuri: Art of Manufacturing

business-en-junction-001-demo2.jpg

We provide a wide range of automotive electronic components, including air conditioning control systems, corner sensors, various control units, and car audio systems.


business-en-junction-002-demo2.jpg

Our highly reliable "electronic brains," resistant to water and vibration, support comfortable daily living and power state-of-the-art factories.


business-en-junction-003.jpg

With a track record of over 30 years of experience in wire harnesses, often referred to as the "nervous system of the vehicle," we support a wide range of mobility applications, including two-wheelers, four-wheelers, and outboard marine engines.


business-en-junction-004.jpg

By combining the core expertise in technologies like battery charging, inverters, and DC/DC converters, we deliver energy management solutions that support an energy-saving and low-carbon society. These solutions range from the utilization of renewable energy to electric mobility.


business-en-junction-005.jpg

With our ultra-fine molding and processing technology, we develop innovative microdevices for the medical and healthcare sectors. We are dedicated to improving the health and medical care of people worldwide through our advanced engineering, combining precision processing with high-reliability design.


  1. Home
  2.  >  Our Business