ABOUT US Corporate

The KBK Group growing and contributing to society together


ETO Co., Ltd.

ETO Co., Ltd. started out as a shop specializing in screws and has evolved into a fabless technology intensive corporation, building close contacts with numerous subcontracting factories and accumulating a wide base of knowhow in the manufacturing and distribution of precision parts.
ETO Co., Ltd. is developing new materials and processing technologies in joint ventures with major manufacturers and academic institutions, using its accumulated technology and full quality control as a base. Combining these new materials, products and process technologies together. ETO Co., Ltd. is steadily advancing its global expansion from Japan to China and Southeast Asia as a corporation providing completely new solutions.

As a group company of KBK, the future-oriented ETO Co., Ltd. continues to move forward while answering every need of customers as a Technical Solution Company.

Address 21F Queens Tower C, 2-3-5 Minatomirai, Nishiku, Yokohama, Kanagawa 220-6221, Japan
Tel Tel: 81-45-222-4811
Fax: 81-45-683-6590

Nippon System Industries Corporation

Nippon System Industries Corporation, a company specializing in electronic equipment, was established in 1970 as a wholly owned subsidiary of KBK. Since then, through the concept of doing business from design to sales, NSI has handled a wide range of electronic equipment, from VHF transceivers to two-way aircraft communications equipment for general aviation. NSI also performs inspection, testing, maintenance and repairs for imported equipment destined for sale not only by KBK but also by its customers. Additionally, NSI has commenced software development efforts in response to ever-expanding customer needs.

Address 6th Floor, Yasuda-Shibaura Bldg. No.7, 3-21-32 Kaigan, Minato-ku,Tokyo,108-0022, Japan
Tel Tel: 81-3-5765-6770
Fax: 81-3-5765-5667

KBK Steel Products Co., Ltd.

KBK Steel Products Co., Ltd. (KSP) was established in March 2009 as a wholly owned subsidiary of KBK specializing in the production of stainless-steel belts and associated equipment. Such equipment involves the consecutive process of heating, molding and cooling simultaneously on the endless steel belt that leads to high-yield production as compared to batch-type methods. The belt material employs high-tensile stainless, which durable under pressurization and facilitates the use of space-saving equipment. Our products have been well received in the fields of multifunctional film, rubber vulcanization, electric materials, resin, building materials and food processing. Further, the special application (mirror polishing surface) of the belt has been well recognized by customers.

Address 1-24, Shinomiya 7-Chome, Hiratsuka-city, Kanagawa 254-0014, Japan
Tel Tel: 81-463-52-0461
Fax: 81-463-53-9061

Z.R.C. JAPAN Co, Ltd.

In 1984, Z.R.C. JAPAN Co, Ltd. was established as importer and distributor of Zinc based anti-corrosive coating products of ZRC Worldwide, USA and then became a unit of Kyokuto Boeki Kaisha. Ltd in January 2011.
Since 1984, the company has made an effort to spread and sell the products; "ZRC Cold Galvanizing Compound" applicable to steel structures. This product can attain the same performance as hot dip galvanizing because it contains a high concentration of high purity zinc. The fact was verified by public institute in Japan who then certified "ZRC technique".
"ZRC Cold Galvanizing Compound" has been widely recognized and adopted in the field of architecture and construction under high reliability of "ZRC technique" in Japan.
Launching new products as well as using a network of KBK, we will actively respond to the needs of new industries other than the architecture construction field.

Address 7F, New Otemachi Bldg., 2-1, Otemachi 2-chome, Chiyoda-ku, Tokyo 100-0004, Japan
Tel Tel: 81-3-3244-3830
Fax: 81-3-3244-3997

Sunco Spring Company, Ltd.

Establishment: November 1960
Employee: 65
Designing and Manufacturing Spring Components.
Manufacturing Lapping Carrier. (Polishing jig for Crystal, Ceramic, Sapphire, etc.)
Main Product: Constant force spring, "CONSTON" A member of the KBK group since November 2011

Address 5-10-41, Tsunashima Higashi Kohoku-ku, Yokohama 223-0052 Japan
Tel Tel: 81-45-543-7701

Vahle Japan Co., Ltd.

VAHLE is since 1912 a specialist for mobile power and data transmission with headquarters in Kamen, Germany. VAHLE has 550 employees in Germany and 12 subsidiaries worldwide. Including representatives Vahle is active in 52 countries around the world. The Vahle-Group has sales of more than 90 Mio. Euros.
VAHLE develops, manufactures and installs customized power and data transmission systems for various material handling applications. Preferred applications are crane technology (general), storage and sorting technology, manufacturing automation, and port technology.
The array of products stretches from copper-head conductor systems, insulated conductor systems, enclosed Powerail conductor systems, PVC-enclosed Powerail conductor systems, trench conductor systems, cable festoon systems, spring-operated and motorized cable reels, battery-charging contacts, to digital data transmission, as well as the technological breakthrough of a contactless power transmission system (CPS®).
Through experienced engineers with many years of project experience, VAHLE provides you with customer-specific and simultaneously economical solutions that meet your requirements.

Address 4F, EST Bldg., 1-7-6, Hiranomachi, chuo-ku, Osaka 541-0046, Japan
Tel Tel: 81-6-6227-1117
Fax: 81-6-6227-1118

Automax Co., Ltd.

The "X" of Automax represents the "Unknown" and the "Possibility."
Automax provides a way to solve these Unknowns. In another words, ever since the inauguration of Automax in August of 1964, the company has been pursuing "the solution" for making the unknown become known.
Automax testing equipment combines the company’s core technology of electro-hydraulic servo and electro-mechanical control servo with software programs to accurately analyze and improve the performance of the entire vehicle drive train system, drive line components and mechanisms. By providing the "Method and Data" system, Automax products can offer the customer improvement in performance.
The environmental, safety and cost requirements on automobiles are ever increasing in today’s age.
Customers are expecting higher cost performance and higher value from their vehicles. Automax will continue to strive to satisfy the challenging global demands by integrating our mechanical, control and software technologies. As we go forward, we at Automax will enhance our knowledge and increase the potential to meet this challenge.

Address 4-28-13, Azusawa,Itabashi-ku, Tokyo 174-0051, Japan
Tel Tel: 81-3-3960-8200
Fax: 81-3-3960-9005

Plant Maintenance Corporation

Since its establishment, PMC has supplied various plants around the world with variety of machinery, parts and equipment procured from manufacturers both in and outside Japan. PMC enjoys clients’ trust: “Supply anything required.”
PMC is composed of experts who have rich practical experience and ample knowledge about the areas they work in. On the basis of knowledge about characteristics of plants operating for long periods of time, PMC offers comprehensive technical support, such as checkups and repairs, diagnoses and inspections, technical guidance, engineering, and consulting.

Address Hirose Bldg. 8F, 3-17 Kanda-Nishiki-cho, Chiyoda-ku, Tokyo 101-0054, Japan
Tel Tel: 81-3-5259-1611
Fax: 81-3-5259-1621

Joint venture company

ABB Bailey Japan

ABB Bailey Japan was established in 1971 as a joint venture between Bailey Controls Company USA and KBK. Since then, ABB Bailey Japan has become a leading producer of controls and instruments, taking on all phases from design to production, by coordinating Bailey's experience as the top manufacturer of instrumentation controls with KBK's advanced technologies. ABB Bailey Japan provides various types of plant-control equipment to implement standard boiler control for power generation, fertilizer, chemical and garbage incineration plants. The control equipment we offer ranges in scale from large, digitally controlled systems to small and midsize controls.

Address Headquarter & Factory
511, Baraki, Izunokuni-shi, Shizuoka 410-2193, Japan
Tel Tel: 81-55-949-3311
Fax: 81-55-949-1114

TWD Japan Corporation

With the cooperation of TWD B.V., a company based in the Netherlands, KBK established this joint venture with TWD B.V.’s Japanese agent Trio Marine Tech, Inc. in January 2022. TWD B.V. boasts an extensive track record in design and engineering services related to large-scale installation equipment required for construction of offshore wind power facilities. TWD Japan Corporation offers a one-stop service for design, manufacture, and maintenance of such equipment.
It supplies order-made equipment as required by customers for their projects, including pile grippers, monopile upending tools, and a variety of sea fastenings.

Address 7F, New Otemachi Bldg., 2-1, Otemachi 2-chome, Chiyoda-ku, Tokyo 100-0004, Japan
Tel Tel: 81-3-3244-3721
Fax: 81-3-3246-2076