Notice of Company Profile Renewal

We aim to be a company that can greatly contribute to the preservation of the Earth's environment and the harmony between humans, society, and nature.

Kyouwa Chemical Co., Ltd. Company Profile. We operate under the mission of "protecting the environment," believing that water and soil are the sources of all life. Our work focuses on restoring water and soil to their natural state. Aiming to build a circular society, we strive to meet a wide range of needs from local governments to private organizations, continuously proposing optimal solutions for the global environment and our customers. Currently, our company is active in two main business areas: water treatment and recycling. Based on our unique technology that spans across the country, we promote the creation of a society where people's smiles never fade. For more details, please download and view our catalog.

• Water Treatment
• Water Supply Facilities
• Turbid water and muddy water treatment machines

We will be exhibiting at the "17th Functional Materials Week, 10th Adhesion and Joining" to be held at Makuhari Messe in September. This exhibition will gather a wide range of professionals interested in functional film molding processing technologies, materials, surface treatment, and evaluation. We will primarily showcase our UV irradiators. This will be particularly beneficial for engineers, researchers, and purchasing personnel involved in functional films and surface treatments from sectors such as film manufacturing, electronics, automotive, batteries, construction and building materials, and food and beverages. Please feel free to use this opportunity for business discussions and technical consultations. 【Exhibition Details】 At our booth, we will display a wide range of ultraviolet (UV) lighting devices using LED and excimer light sources. We will introduce irradiators tailored to various purposes and conditions, including surface treatment of films, utilization of UV in manufacturing processes, and various evaluation applications. Additionally, we will conduct demonstrations using actual equipment, allowing you to see the real irradiation effects while we propose UV irradiators suitable for your applications. We sincerely look forward to your visit. If you plan to attend or have any inquiries in advance, please feel free to contact us via the inquiry form or reach out to our sales representative.

Two items have been added to the "Prohibited Items" section of the "Important Notes" that we would like you to observe when attending the webinars of the joint webinar project "K&i Web Academy" by K-F and Isabou Net. For details, please check the announcement and FAQ blog of the academy, "K&i Web Academy info" (link below).

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We will be exhibiting at the Japan Society of Oceanography's Autumn Conference 2026. We will introduce various ocean survey services, including examples of ocean environment monitoring, underwater time-lapse cameras, and sample analysis. Please feel free to ask the booth staff about new graduate recruitment and mid-career hiring for 2028. We look forward to seeing you all. Date: September 8 (Tuesday) to September 10 (Thursday), 2026 Location: Tokyo University of Marine Science and Technology, Shinagawa Campus (Minato-ku, Tokyo) 2nd Floor, Shirataka Hall, Multipurpose Space 1

The technology using the herbicide "Esplanade Light Flowable NETIS Registration Number: KT-200114-A," which received the "Excellence Award" in the Maintenance Implementation Site category of the Infrastructure Maintenance Grand Prize, has been selected as a technology for promoting the use of NETIS in 2024. We conducted an interview with Kōei Co., Ltd., which has been utilizing this technology for many years in road maintenance work. They shared detailed insights on the points of application, advantages in terms of work and budget, and trust from clients. Please take a look at the link for more information. https://www.jp.envu.com/forestry-ivm/interview/interview-01