Factory features

A main factory for supporting the production of door closers and electric screwdrivers of the Nitto Kohki Group.

Nitto Kohki brand, "AUTO-HINGE", is broadly used in doors of residential buildings and heavy-duty doors of large-scale facilities. In addition, electric screwdrivers, "delvo", is used around the world to ensure stable quality for production of electric devices including computers and smartphones, as well as assembly of auto parts. In recent years, "delvo" can be used for production of wide-ranging products including machines and tools.

Our production technological capabilities enable flexible production to meet the needs of our clients.

We have a system to swiftly enable production of a wide variety of products in small quantities to meet client’s needs. We also promote the C-TPM activities, which aim to bring innovation to production to increase production efficiency, to actively implement the activities. We constantly devote ourselves to raise the level of quality, faster delivery timeline and reduced costs. Under the slogan of “People-oriented technologies”, we seek after customers’ convenience, safety, design, and environmental consciousness.

Top Message

Since our founding, we have continued to produce a variety of equipment that contributes to society for more than 60 years, leveraging our abundant technological capabilities.
Our vision for the company is to contribute to the growth of industry and enrich lives through technology that is “focused on you” and enables smooth operation. We believe that our mission is to grasp the new needs of society and raise the level of technology, quality, and service so that we receive greater recognition from the world market than ever before.
As the Nitto Kohki Group’s key factory, we will continue to work hard as one in our production operations, and strive for manufacturing that is friendly to people and the environment.

Takashi Chiba
Representative Director, President

Corporate Profile

Main products

• Electric Screwdrivers delvo

• Door Closers

• Power & Machine Tools

Corporate History

ISO (Quality and Environment) Policy

Basic Policy

We regard labor saving and improvement of the work environment in industry as unchanging issues. Through the manufacture of high-quality, high-function, and highly reliable products, we place importance on improving the global environment and customer satisfaction. We will promote social responsibility in all issues.

Quality and Environmental Policy

1. Each and every employee will operate a management system in accordance with ISO (Quality and Environmental Management System). In the manufacture of machine tools (pneumatic equipment, electric equipment), their peripheral equipment, and building equipment (door closers, sliding closers, screen switches), we will strive to improve customer satisfaction and protect the environment by comprehensively maintaining product quality.
2. With an awareness of legal compliance and social responsibility, we will promote businesses that have a low impact on the environment, promote the effective use of resources, and prevent environmental pollution.
3. We understand the impact of our business activities on society and understand the quality of what we can do technically and economically. We will operate goals and environmental targets as issues. We will conduct regular internal audits and management reviews and strive to continuously improve our quality and environmental management system consistent with our business activities.
4. We recommend the reduction of electricity consumption, the reduction of waste, and the effective use of resources (3R) through environmental activities.
   
   • 3R ：Reduce, Reuse, Recycle
5. We will clarify business processes in corporate activities and improve operations.
6. We will document this policy so that all employees understand it. If there is a request for presentation from outside the company, we will announce this policy.

March 1, 2024
Kazunari Arai, Plant Manager