Are you prepared for a possible cyber-attack? We have started a business partnership with K.K. Kaspersky Labs Japan.
DIASYS Netmation achieves safe and dependable operations for various fields such as thermal power plants, factory automations and vessel operations.
As part of MHI & Mitsubishi Power group; we support your business with our expertise as a manufacturer of plants, machinery tools, vessels and aerospace facilities.
We provide control and monitor systems applying state of the art IT & electronics technology for ship operation, cargo work, engines for its safe operation.
H-II A/B rockets transporting satellites to orbit utilize our DIASYS Netmation systems on its ground facilities.
We strive to improve our reliability in our control systems by conducting thorough validations in order to support your business.

Our strength is providing a valuable control solution to you, by utilizing our integrated technology.

Our experience

  • We have delivered control systems at over 200 power plants in 30 countries.
  • Our technology in control systems for gas turbines, steam turbines and boilers will meet your diversified demands.

Our contribution

  • Taking account of the environment in the future, we are providing expanded solutions for energy saving, reduction of CO2, air and/or water pollution, etc.
  • Energy for factory, water processing, exhaust gas processing, etc.

Our determination

  • We are determined to advance our technology to meet customers' every demand not only in manufacturing and building but also providing our products combined with products from other manufacturers.

Our mission

  • Customer satisfaction, contribute to society and a sense of accomplishment are the fundamentals of delivering top quality products.
  • We are making our best effort to improve our business by involving each employee for quality control activities.

Introduction : Product, Service, and Solution

  • Solution
  • Training center

Quality Assurance / Information Security

Quality Assurance


Information Security


Cyber security・IEC62443-2-1

Office Locations

Yokohama Division

HQ & Yokohama Works(Hommoku)

Mitsubishi Heavy Industries, Ltd. Yokohama Dockyard & Machinery Works / Honmoku Plant
12 Nishiki-cho, Naka-ku, Yokohama city, Kanagawa Pref.

Yokohama Works (Minatomirai)

Mitsubishi Heavy Industries Yokohama Building 9th floor
3-1, Minatomirai 3-chome, Nishi-ku, Yokohama city, Kanagawa Pref.

Takasago Division

Takasago Works

Mitsubishi Heavy Industries, Ltd. Takasago Machinery Works
2-1-1 Niihama, Arai-cho, Takasago city, Hyogo

Nagasaki Division

Nagasaki Works

Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard & Machinery Works
1-1 Akunoura-machi, Nagasaki city, Nagasaki


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