Thank you for visiting HALVO.
HALVO was founded as a waterproof paint company in former Kaseda City, Kagoshima prefecture, Japan in 1986.
Our business began with research and development on coagulant using volcanic ash (shirasu) of Kagoshima prefecture to solve our paint drainage problem.
And the product that was born is an inorganic flocculant "Kiyomaru kun".
Since then, in order to solve environmental problems, we have been developing soil stabilizing solidification agents, waste liquid solidifying agents, etc, including coagulants H · O · H for drinking water.

Now, people who can not obtain safe drinking water are said to be 2 billion people in the world, and there are many people who have to drink water of wells and rivers containing heavy metals and arsenic.
To solve such reality, we are willing to work hard so that people around the world can make drinking water safely and cheaply.

On February 1, 2017, we renewed our structure and gave birth as a newborn HALVO Holdings.
From now on, we will continue to devote ourselves to more customers, including overseas markets.

We look forward to your continued guidance and encouragement in the future.

Management Philosophy

The global environment has no borders

We work to improve the global environment, and provide a comfortable and rich life for people.

Social contribution by innovative research development

We do not make compromises in our technical development, and constantly pursue the best results.

Maintaining a spirit of challenge

When we don't know which way to go, we choose the direction of challenge.

Corporate Data

Company HALVO Holdings Co.,Ltd.
Establishment April, 1986
Foundation February 1, 2017
Capital stock 100 million yen

Chairman & CEO  
Kiichiro Yamazaki

President & COO  
Kazuyoshi Nagahara

Executive vice-president  Seiji Yokoi

Managing Director, General Manager of Administration Headquarters and CFO  Masanori Iwashita

Director and CTO  Yoshiharu Yagyu

Director Domestic Support Department Manager  Ryota Yagyu

Director Overseas Support Department Manager  Soichiro Yamazaki

Audit & Supervisory Board Member (Full-time)  Chizuko Nakandakari

Audit & Supervisory Board Member  Takanao Mitsui

Audit & Supervisory Board Member  Makoto Muranaka

Advisor  Seiichiro Yonekura



103-0012  1-2-10 Nihonbashi Horidome-cho, Chuo-ku, Tokyo
Nihonbashi Horidomecho First 2F





11675 Kasedauchiyamada Minamisatsuma-shi, Kagoshima



  1. Drinking water business

    Manufacture and sales of H・O・H to provide safe drinking water

  2. Environment improvement business

    Liquid effluent- Manufacture and sales of natural inorganic flocculant


    Oil based liquid waste- Manufacture and sales of Atto Yuma, the star of building maintenance

    Soil- Manufacture and sale of polluted soil and dredged soil treatment agents Kiyometalrock and Super Silt Rock

Subsidiary company

Green & Water Co., Ltd.