Tokyo Koki Group and Kobai Seiki Sign Business Alliance Agreement to Strengthen Sales Structure
Tokyo Koki Shikenki, a subsidiary of the Tokyo Koki Group, has entered into a business alliance with Kobai Seiki to bolster its sales operations in the Chugoku region, particularly in Hiroshima. By leveraging their combined expertise in testing equipment and local maintenance services, the companies aim to provide enhanced solutions and strengthen their regional market presence.
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- 📰 Published: April 1, 2026 at 19:00
- 🔍 Collected: April 1, 2026 at 10:15
We are pleased to announce that our subsidiary, Tokyo Koki Shikenki Co., Ltd. (Headquarters: Sagamihara, Kanagawa; President: Eiichiro Kozuka; hereinafter "Tokyo Koki Shikenki") and Kobai Seiki Co., Ltd. (Headquarters: Hiroshima, Hiroshima; President: Masaharu Tazoe; hereinafter "Kobai Seiki") have concluded a business alliance agreement aimed at strengthening the sales structure in the Chugoku region, with a focus on Hiroshima Prefecture.
As part of our sales strategy for the sustainable growth of our testing equipment business, we are promoting the strengthening of our sales capabilities in Western Japan. The Chugoku region, centered on Hiroshima Prefecture, is a vital area for us, as it hosts a diverse concentration of industries including automotive, steel, and shipbuilding.
Since its founding 48 years ago, Kobai Seiki has been engaged in testing equipment sales and maintenance services with deep roots in the local community.
Through this business alliance, we will leverage the strengths of both companies to provide new solutions, centered on custom-made testing equipment, and work to further improve customer value and strengthen our sales foundation rooted in the region.
About Kobai Seiki Co., Ltd.
Kobai Seiki is engaged in the maintenance and adjustment of testing and measuring instruments, JCSS calibration, and standard testing equipment-related businesses. The company provides support in the testing and measurement field, possessing practical response capabilities and on-site expertise closely aligned with local manufacturing industries.
Company Name: Kobai Seiki Co., Ltd.
Location: 1-1-26 Otemachi, Naka-ku, Hiroshima City, Hiroshima Prefecture
President: Masaharu Tazoe
Business Description: Maintenance and adjustment of testing and measuring instruments, JCSS calibration, standard testing equipment-related businesses, etc.
About Tokyo Koki Shikenki Co., Ltd.
As an operating company of the Tokyo Koki Group, Tokyo Koki Shikenki develops, manufactures, and sells testing and measuring equipment and provides related services. Through various solutions, including material testing machines, the company contributes to quality improvement and technological development in manufacturing sites and research and development fields.
Company Name: Tokyo Koki Shikenki Co., Ltd.
Representative: Eiichiro Kozuka, President
Head Office Location: 315 Mitsui, Midori-ku, Sagamihara, Kanagawa Prefecture
Sales Bases: Tokyo Branch (Sagamihara, Kanagawa), Chubu Branch (Toyohashi, Aichi), Osaka Branch (Osaka City), Hiroshima Office (Hiroshima City), and nationwide agents and sales partners
Production Bases: Sagamihara Plant (Sagamihara, Kanagawa), Toyohashi Plant (Toyohashi, Aichi)
Website: https://shikenki-tksnet.co.jp/
About Tokyo Koki Co., Ltd.
As the holding company of the Tokyo Koki Group, Tokyo Koki Co., Ltd. formulates and executes management strategies for the entire group, and oversees and supports group subsidiaries.
Company Name: Tokyo Koki Co., Ltd.
President: Eiichiro Kozuka
Head Office Location: N.E.S. Building N-Wing 5F, 22-14 Sakuragaoka-cho, Shibuya-ku, Tokyo
Website: https://tk100.jp/
As part of our sales strategy for the sustainable growth of our testing equipment business, we are promoting the strengthening of our sales capabilities in Western Japan. The Chugoku region, centered on Hiroshima Prefecture, is a vital area for us, as it hosts a diverse concentration of industries including automotive, steel, and shipbuilding.
Since its founding 48 years ago, Kobai Seiki has been engaged in testing equipment sales and maintenance services with deep roots in the local community.
Through this business alliance, we will leverage the strengths of both companies to provide new solutions, centered on custom-made testing equipment, and work to further improve customer value and strengthen our sales foundation rooted in the region.
About Kobai Seiki Co., Ltd.
Kobai Seiki is engaged in the maintenance and adjustment of testing and measuring instruments, JCSS calibration, and standard testing equipment-related businesses. The company provides support in the testing and measurement field, possessing practical response capabilities and on-site expertise closely aligned with local manufacturing industries.
Company Name: Kobai Seiki Co., Ltd.
Location: 1-1-26 Otemachi, Naka-ku, Hiroshima City, Hiroshima Prefecture
President: Masaharu Tazoe
Business Description: Maintenance and adjustment of testing and measuring instruments, JCSS calibration, standard testing equipment-related businesses, etc.
About Tokyo Koki Shikenki Co., Ltd.
As an operating company of the Tokyo Koki Group, Tokyo Koki Shikenki develops, manufactures, and sells testing and measuring equipment and provides related services. Through various solutions, including material testing machines, the company contributes to quality improvement and technological development in manufacturing sites and research and development fields.
Company Name: Tokyo Koki Shikenki Co., Ltd.
Representative: Eiichiro Kozuka, President
Head Office Location: 315 Mitsui, Midori-ku, Sagamihara, Kanagawa Prefecture
Sales Bases: Tokyo Branch (Sagamihara, Kanagawa), Chubu Branch (Toyohashi, Aichi), Osaka Branch (Osaka City), Hiroshima Office (Hiroshima City), and nationwide agents and sales partners
Production Bases: Sagamihara Plant (Sagamihara, Kanagawa), Toyohashi Plant (Toyohashi, Aichi)
Website: https://shikenki-tksnet.co.jp/
About Tokyo Koki Co., Ltd.
As the holding company of the Tokyo Koki Group, Tokyo Koki Co., Ltd. formulates and executes management strategies for the entire group, and oversees and supports group subsidiaries.
Company Name: Tokyo Koki Co., Ltd.
President: Eiichiro Kozuka
Head Office Location: N.E.S. Building N-Wing 5F, 22-14 Sakuragaoka-cho, Shibuya-ku, Tokyo
Website: https://tk100.jp/