Kyoritsu Engineering Corporation WHAT WE DO


    LNG (Liquified Natural Gas)
    GTL(Gas to Liquid)
    DME(Dimethyl ether)
    Coal Gasfication
    Cold Reflux(High Efficiency LNG・Ethane Recovery)


    Olefins Conversion Technology
    Ethylene Oxide/Glycol
    Styrenics, Aromatics
    Methanol, Ammonia, Urea
    Acid Gas Removal


    Power Generation
    Fertilizer Plant
    Water Resources


    Material evaluating and testing
    Computational Fluid dynamics
    Pulsation and Vibration analysis
    Compressors/Pump piping systems
    Structural and Thermal simulation analysis
    Earthquake resistance and seismic analysis
    Safety Verifications
    Process Hazard
    Life Cycle Cost analysis
    Rotor dynamic


    Heavy Oil Upgrading
    Catalytic Reforming
    FCC/RFCC – Fluid Catalytic Cracking/ Residue Fluid Catalytic Cracking
    HSC – Residue Upgrading, Soaker Cracking
    FPSO (Floating Production, Storage and Offloading)


    Mechanical Plant specification
    Detail design and specification
    Operation and Control system design
    Pressure vessel and Piping Design
    Specification and Stress Analysis
    Fluid Pumping
    Handling and Storage
    Computational dynamic modeling


    Urea Synthesis
    Energy Saving Distillation System
    Electric Boiler
    CO2 capture and Storage (CCS)
    Reusable Waste Water
    PCB Detox Treatment
    Water Caustic Treatment


    Technical services to facilitate commercialization of laboratory technologies.


    A range of comprehensive services from feasibility studies to selection of construction site, various analysis and constructional design.


    Plant Maintenance
    Preventive Maintenance
    Enhanced operating efficiency
    Field Operator Support System


    Operations Manager
    Visual Development Operations
    Automation Scripting and Tooling
    API, Elastic search, Framework running
    Module implementation and unit testing

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History More than 60 years in Engineering

1956 Oct. - Kyoritsu Engineering Co. Limited founded
1960 July - Kyoritsu Engineering Corporation founded
1966 Dec. - Newly established Head Office, Kyoritsu Building 1, Ueno, Tokyo, Japan
1975 June - Chiba Engineering Center opens in Funabashi, Chiba City
1977 March - Information and Technology Strategic (IT) office established
1981 Dec. - Head Office relocate to new Kyoritsu Building 6 in Ueno, Tokyo
2006 July - Chiba Engineering Center renews and sets up in Narashino, Chiba City

Message from our Founder & President

Since its founding in 1956, Kyoritsu Engineering, a major key player in Japan’s Industrial Plant Engineering business, continues to deliver industrial services for growth and development on both domestic and global scene.

We stick to our business motto, “Daily practice and diligence”. Together, we seek to prosper through tireless research, ensuring top engineering designs and services for our clients.

Promoting team motivation and sustainable objectivity in our daily work practices, we assemble for the emergence of the Fourth Industrial Revolution propelled by the staggering range of exponential evolution in technology and business landscape.

At, Kyoritsu, we encourage effective communication to inspire and uphold the relationship between leadership and integrity. Stimulating our cooperative working environment for innovation, while safeguarding individual welfare and the fulfillment of employee potential is integral to corporate prosperity.

Combining our multinational expertise and diverse technical disciplines, we will continue to propel forward, strengthening our relationships in the emerging markets for our future growth.

- Koichiro Aoyagi, Founder, President

Koichiro Aoyagi Founder, President


June 2020 "Asia's top renewable energy markets: China, India and Japan" – Japan takes lead in the Far East.
Mar 2020 In preventative efforts to minimize COVID-19 “Corona Virus” exposure and to ensure the safety of our staff, scheduled WFH and Flex/Core hour policies, IR Body temperature measurements and disinfection/sterilization practiced. STAY SAFE
Jan 2020 Propylene Refinement and Biomass Energy Generator Project.
Dec 2019 Proceed and resume supervising structural engineering field work with Shintech Louisiana’s Polychloride Vinyl plant, in Plaquemine, LA.
News “Biomass Recycling Market Overview by 2025: QY Research”, August 2, 109, Weekly Wall. Link:
Aug 2019 “Mid-Summer Wrap Up!” Celebrating our Mid-Year strong! Cheers to Beer Bar marumaru Okachimachi @marumaru.okachimachi for the wonderful selection from local breweries!
News “PCG to spend US$12 billion for future deals”, July 27, 2019. Borneo Post online.
Jul 2019 Getting hands on with Pipeline Designs at Sumitomo Chemical’s No.5 Methionine Processing Plant, in Ehime Prefecture, aiding feed manufacturing distributing efficient nutritional poultry development.
Mar 2019 Local engineering supervision on Shintech USA’s new Chlor Alkali and Vinyl Chloride monomer production facility in Plaquemine, Louisiana U.S.A.
Jan 2019 Rebuild and Maintenance of the Kyoto City Southern Incineration Plant with SLEC Industries.
Nov 2018 Follow up last terms Maruzen’s Northern Coast Refinery plant, we geared up to make headway on the Southern Coast Oil Refinery Plant.
Jun 2018 Conjoining and aiding in mechanical engineering forces with Challenergy LLC towards sustainable Energy Generating as we innovatively instrumentalize Japan’s volatile typhoon-winds.
May 2018 Stepping into on site mechanical engineering detailing and final wrap up on TTCL Pubic Company LLC’s Silicone Plant in Bangkok, Thailand.