Company overview and
business history

Company overview

Company name
D-ACT Co.,Ltd.
August, 2021
Head office location
1-7 Kosunacho, Konan-City, Shiga , Japan, 520-3212
375 million yen
Amount of sales
53.3billion yen(Year ended march 2023)
Business description
  • Production planning, development, design, manufacturing, sales, maintenance and administration for automotive components and industrial devices.
  • The all related operations for the above our business.
Main products
Various components for vehicles (frame components that make up car bodies, fuel tanks, propeller shafts, etc.)
Number of employees
1,134 people as of march 2023.
Main customers
  • Dihatsu Motor Co., Ltd.
  • Daihatsu Motor Kyushu CO., LTD.
  • JTEKT Corporation
  • Kubota Corporation
  • Topre Kyushu Corporation
  • Toyota Industries Corporation
Shareholder ratio
  • Daihatsu Motor Co., Ltd. 94.4%
  • MUFG Bank, Ltd. 3.5%
  • JTEKT Corporation 1.2%
  • Other 0.9%
Our banker
  • MUFG Bank, Ltd.
  • Resona Bank, Limited
  • Sumitomo Mitsui Banking Corporation
Member of the Board of Directors / Audit & Supervisory Board Members
President & CEO
Hisashi Matsuda
Masaki Wakai
Hironobu Sano
Isao Kita
Outside Director
Hajime Nakayama
Outside Audit &
Supervisory Board Member
Shinya Takeda
Executive officer
Masanobu Kai
Executive officer
Keiichi Ryugo
Executive officer
Ryoji Adachi

Business History

August, 2021
D-ACT. Co., Ltd. Established
Hori pneumatic Manufacturing turned into a corporate organaization. Hori Machinery Industries Co., Ltd. Established with a capital of 3.5 million yen to fabricate pneumatic products(hummers, grinders).
Order taking to manufacture components for motor tricycles of Hatsudoki Seizo Co., Ltd.(currently Daihatsu Motor Co., Ltd.) commenced.
AOI Machine Industry Co., Ltd. Established with capital participation from Hatsudoki Seizo Co., Ltd (Daihatsu Motor Co., Ltd.).
Tada Plant (Kawanishi City) newly established.
Taba Plant (kawanishi City) spun off to Daihatsu Motor Co., Ltd.
Operation of Minakuchi plant commenced.
Operation of the Konan plant commenced.
ISO 14001 certification acquired for the entire company.
ISO 9001 certification acquired for the entire company.
Nakatsu business site opened.
Operation of the Nakatsu Plant commenced.
Nakatsu business site relocated to the Nakatsu Plant.
Operation of the Minakuchi No.2 Plant commenced.
Stamping plant of the Konan Plant expanded.
Body plant of the Nakatsu Plant expanded.
Propeller shaft assembly line of the head office plant relocated to the Nakatsu Plant.
Head office relocated to Konan City, Shiga Prefecture(Konan Plant).
Facilities in head office were relocated to the Minakuchi plant, etc.
IATSB (Ingress Aoi Technologies Sdn. Bhd), a joint venture in Malaysia, established.
Capital Alliance between AOI Machine Industry Co., Ltd. And Kawamura Metal MFG Co., Ltd.
Between AOI Machine Industry Co., Ltd. And Kawamura Metal MFG Co., Ltd. Were engaged Joint Venture Agreement.
Start business in Osaka-City, Osaka.
Became a partner company of Hatsudoki Seizo Co., Ltd.(Daihatsu Motor Co., Ltd.)
Became a stock company
The head plant is relocated to Ikeda-City, Osaka from Osaka-City, Osaka.
Established department of Assembly Systems Engineering.
Operation of the Shiga Plant commenced.
ISO 14001 certification acquired for the entire company.
Kawamura Kyushu business site opened.
Capital Alliance between AOI Machine Industry Co., Ltd. And Kawamura Metal MFG Co., Ltd.
Between AOI Machine Industry Co., Ltd. And Kawamura Metal MFG Co., Ltd. Were engaged Joint Venture Agreement.

CSR Policy

  • 1.Together with Our Customers
    • We enhance the level of customer satisfaction by providing safe, and high-quality small cars and services at quick, and broaden life's mobility to support various lifestyles around the world in freely enjoying brilliant individual lives.
    • We work to protect the personal information of our customers and all other people engaged in our business activities.
  • 2.Together with Old Communities
    • To become a company based in the local community where we operate, we contribute to resolving social issues and to promoting harmonious regional development, through our business activities.
  • 3.To the Global Environment
    • We believe that passing the irreplaceable global environment on to the next generation is a mission shard by all humanity. From the viewpoint of the life cycle of a vehicle, we strive to minimize environmental loads in our business processes, and to realize a mobility society with a lighter load on the natural environment, through the introduction of outstanding environmental technologies.
  • 4..Together with suppliers
    • We work to achieve coexistence and co-prosperity with our business partners, through open and fair trade.
      We also dtrive to fulfill our social business partners, priority 'Human life' and industrial organizations.
  • 5.Together with Our Employees
    • We respect the human rights of all the people involved in our business activities, and develop a working environment where our employees working in the D-ACT can work in a safe, healthly and vigorous manner.
    • We endeavor to create a workplaces where employees are fairly evaluated, and foster a system that enables our employees to fined their work worthwhile and to achieve matually growth, so as to build an open corporate culture.
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