We live on a "water planet" called Earth.
The birth of life and the birth of civilization all began with the existence of water.
All life on earth, including us humans, depend on water as the source of life and livelihood.
However, Japan is one of the countries with the lowest annual rainfall per capita in the world.
In addition, the development of industrial society, the urbanization of cities, and the rise in living standards have made it more and more difficult to secure water, the source of life, year by year.
Moreover, the expansion of production activities in human society has drastically changed the natural water cycle. In some cases, it causes a great impact on human life and human livelihoods.
It is a great challenge for us human beings to keep the Earth, a beautiful water planet, a good place to live.
It is our mission to treat water with care and to reuse it.
With the concept of "taking good care of the water planet" as the backbone of our management philosophy, Shinnihon Reiki continues to make efforts to achieve our goal of water reuse.

Management Philosophy

A company that cares about its customers.

A company where all employees work with vigor and enthusiasm.

A company that contributes to society and the community.

Quality Policy

We aim for quality improvement and continuous improvement with all employees, giving first priority to products that please our customers.

Shinnihon Reiki Co., Ltd.

Company Information

Company Name
Shinnihon Reiki Co., Ltd
1-4-1, Futsukaichi Minami, Chikushino-shi, Fukuoka, 818-0057, JAPAN
Business Sites

Tokyo Branch
4F, Shibakoen First Bldg., 3-8-2, Shiba, Minato-ku, Tokyo, 105-0014, Japan

Osaka Branch
9F, Shinanobashi Mitsui Bldg., 1-11-7, Utsubohonmachi, Nishi-ku, Osaka, 550-0004, Japan

Kurashiki Office
2F, Esutekku Bldg. 2-1-13 , Kaigandori, Mizushima, Kurashiki-shi, Okayama, 712-8071, Japan

Principal Business
Design, manufacture, installation and sales of industrial cooling towers and axial fan repair, improvement work, inspection and maintenance of existing cooling towers
March, 1952
April 5th, 1960
100 million JPY (Shareholder: Kuken Industries Co., Ltd. 100%)
Construction Business License
Licensed by the Minister of Land, Infrastructure, Transport and Tourism
Takashi Naraki, Managing Director and CEO
101 employees (As of April 1, 2023)
Main Bank
Fukuoka Bank Futsukaichi Branch
Mizuho Bank Fukuoka Branch

ISO 9001 Certified

ISO9001 certificated only for for the cooling tower design, development, manufacture, installation and the existing cooling tower testing, diagnosis.

Business Sites

Shinnihon Reiki Co., Ltd Headquarters


1-4-1, Futsukaichi Minami,
Chikushino-shi, Fukuoka,
818-0057, JAPAN
[Sales dept.]
Domestic : TEL.+81-92-929-3444
International : TEL.+81-92-929-3443


Shinnihon Reiki Co., Ltd Tokyo Branch

Tokyo Branch

4F, Shibakoen First Bldg., 3-8-2, Shiba,
Minato-ku, Tokyo, 105-0014, Japan


Shinnihon Reiki Co., Ltd Osaka Branch

Osaka Branch

9F, Shinanobashi Mitsui Bldg., 1-11-7,
Utsubohonmachi, Nishi-ku, Osaka, 550-0004, Japan


Shinnihon Reiki Co., Ltd Kurashiki Office

Kurashiki Office

2F, Esutekku Bldg. 2-1-13 , Kaigandori, Mizushima,
Kurazhiki-shi, Okayama, 712-8071, Japan


Group Company



2-39 Ohori Koen, Chuo Ku, Fukuoka Shi, Fukuoka, 810-0051, Japan
Kuken Industries Co., Ltd. creates "comfortable air-conditioning environments" in large-scale spaces.
Kuken Industries handles products such as cooling towers, heating towers, air diffusers ,and dampers, and aim to be a company that is needed by "society," "customers," "employees," and "their families".



Ibaraki factory


4F, Shibakoen First Bldg., 3-8-2, Minato-ku, Shiba, Tokyo, 105-0014, Japan
TEL.+81-3-6844-3050 FAX.+81-3-6844-3055
Air conditioning technology harmonizes various elements to provide a comfortable living space. Also, "sound deadening" technology to reduce the noise generated by air conditioning units, and "duct" technology to ensure the delivery of harmonized air to every corner of the building. San-Esu Industry keeps on providing comfortable life space by having divisions specializing in each of these three technologies. 




968 Shima Kofuji, Itoshima-shi, Fukuoka, 819-1321, Japan
TEL.+81-92-328-1377 FAX.+81-92-328-1200
As a production base of air-diffuser and damper, Kucho Giken Co., Ltd. is proud of its high production and development technology. Wide range of product line-up can cope with customers’ needs. At technical center, equipped with the most advanced testing equipment, development is always undertaken to develop useful and innovative products




Road 6, Nhon Trach 6 Industrial Park, Long Tho Commune, Nhon Trach District, Dong Nai Province, Vietnam
TEL.+84-(0)251-3686640 FAX.+84-(0)251-3686642
E-mail: | URL:
Kuken’s first international establishment is registered and established in June 2020. Kuken Industries Vietnam is the production and delivery base of cooling towers for international markets, mainly for ASEAN region.
Kuken Industries Vietnam aims to provide the competitive product while maintaining Japan-Quality assurance for International market.




Mar. 1952

Establishment of Shinnihon Kogyo Co., Ltd., the predecessor of our company, in Fukuoka City with a capital of One million yen. Started manufacturing and selling fin tube radiators and ventilators.

Feb. 1955

Developed an axial flow fan and a cross-flow cooling tower under the guidance of Faculty of Engineering, Kyushu University. Became a designated supplier of Nippon Telegraph and Telephone Public Corporation (current NTT)

Jun. 1957

Received an order for the first industrial cooling tower from Yahata Steel (current Nippon Steel Corporation).


Apr. 1960

Established Shinnihon Kensetsu Co., Ltd. in Chikushino City, Fukuoka, with a capital of 5 million yen as a manufacturer specializing in cooling towers, with capital participation from Asano Bussan Co., Ltd.

Apr. 1966

Marubeni Corporation merged with Toutsu Ltd. (the trade name after the merger of Asano Bussan Co., Ltd. and Asahi Bussan Co., Ltd.), making it an operating company under Marubeni Corporation.

Aug. 1966

Delivered cooling tower for compressor to Venezuela as the first exported unit.


Sep. 1971

Changed the trade name to Shinnihon Reiki Co. Ltd.
Delivered 22,000m3/h cooling tower for the ethylene plant at Mizushima Plant of Sanyo Ethylene Co. Ltd. (current Asahi Kasei Corporation).
(Recognized as the best in the East at the time)


Sep. 1980

Delivered a cooling tower for one facility from blast furnace to steelmaking to Shanghai Baoshan Steel Works in China.


Aug. 1992

Increased capital to 88 million yen
Became a member of CTI (Cooling Technology Institute)

Apr. 1993

Delivered the first cooling tower with plume abatement countermeasures to the power generation facility at the Fuji Works of Honshu Paper Co., Ltd (current Oji Paper Co., Ltd.).

Dec. 1999

Obtained ISO9001 (Quality Management System) certification


Aug. 2000

Increased capital to 288 million yen


Apr. 2010

Celebration of 50th anniversary

Sep. 2011

Kurashiki Office moved to "Esutekku Building" in Kurashiki City, Okayama

Mar. 2015

Marubeni Corporation and Kuken Industries Co., Ltd. signed an agreement for the transfer of all shares and change the shareholder to Kuken Industries Co., Ltd.

Feb. 2016

Reduced capital to 100 million yen

Apr. 2019

Tokyo Branch moved to Ryuen Building, Minato-ku, Tokyo
Osaka Branch moved to Shinanobashi Mitsui Building, Nishi-ku, Osaka


Mar. 2021

Using a temporary cooling tower, renewed the cooling tower in operation at Fuji Oil Co. Ltd.

Oct. 2023

Tokyo Branch moved to Shibakoen First Building, Minato-ku, Tokyo


CSR Guideline for Supply Chain

Basic Policy of Corporate Social Responsibility (CSR) for supply chain

Shinnihon Reiki will not only strengthen its own SNR initiatives, but will also support the strengthening of CSR initiatives in its supply chain, aiming to build a healthy and sustainable society that takes the global environment into consideration.
Shinnihon Reiki has established the following "CSR Guidelines for the Supply Chain" and will seek the understanding and cooperation of its suppliers in complying with the Guidelines, and will promote more effective CSR together with its suppliers.

CSR Guideline for Supply Chain

1.Respect for the rule of law

  • Comply with the relevant laws and regulations of the respective country and of the countries involved in business transaction

2.Respect for human rights

  • Respect human rights and do not discriminate or engage in sexual harassment
  • No child labor, forced labor, or unfair wage reductions
  • Respect employee solidarity as a means of achieving labor-management consultation

3.Environment protection

  • Protect the natural environment
  • Reduce environmental impact and prevent pollution

4.Fair operating practices

  • Do fair trades and not impede free competition
  • No bribes or illegal donations and prevent corruption

5.Safety and Health

  • Ensure workplace safety and health and preserve the working environment

6.Quality control

  • Ensure quality and safety of products and services


  • Disclose proper corporate information, including the above, as appropriate.

Basic Procurement and Purchasing Policy of Kuken Industries Group

Basic Procurement and Purchasing Policy of Kuken Industries Group
The KUKEN INDUSTRIES GROUP regards the trust we have established thus far and the trust we will have in the future as an irreplaceable asset, and will speed up our procurement and purchasing reforms. Our group is always exposed to a tough competition bidding under general contractors and subcontractors, but our group selects suppliers based on continuous businesses, not by bidding. Also, basically, we avoid obtaining a quotation from a particular supplier. Depending on the model, we procure through development competitions*.
Our group aims for mutual understanding with our suppliers, aiming for coexistence and co-prosperity on an equal basis, aiming for common benefits, and we will strive to respond with a sincere and quick action. The Group has established the following basic policy for procurement and purchasing activities.
*Procurement that takes into account the content of technical proposals such as VA proposals

1Fair Supplier Selection

In our selection process to initiate transactions, we make decisions based on our evaluation on suppliers' reliability, including quality, cost, and delivery time, technical aspect, and other elements deemed necessary.

2Open Transactions

The Kuken Industries Group aims for speedy globalization and seeks opportunities to do business both domestically and internationally, aiming for equal trading opportunities and free competition.

3Ensuring Transparency

We clearly express our basic procurement and purchasing policies, information, and procedures, and disclose the reasons for acceptation or refusal upon request.

4Individual Contracts

Each individual transaction is determined based on a comprehensive evaluation on quality, price, delivery time, technical capabilities, supply capacity, and other factors. In addition, each purchase transaction is to be made based on a written contract.

5Compliance with Laws & Regulations, Environmental Preservation

We will comply with all applicable laws and regulations in our business dealings. We also actively work on environmental conservation and resource management, and fulfill our social responsibility in cooperation with our suppliers.

6Purchasing Ethics

We do not seek for any personal interests in suppliers or potential suppliers. In other words, we do not condone any form of conduct (e.g., requesting or accepting bribes or goods, etc.) that we separately stipulate.


We will strive to prevent information leaks by strictly managing all supplier information obtained through business transactions.

8Continuous Development

We strive to build a relationship of trust based on the idea that we and our suppliers are partners, and we respect a mutual cooperative relationship that aims for continuous development.

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