We strive to offer great products to our customers through "manufacturing" process through earth-friendly, energy efficient, safe and high quality.
We are committed to opened and transparent business that are socially-conscious and environmentally-friendly.
After simultaneously acquiring ISO9001 (Quality) and ISO14001 (Environment) certification in 2000, we acquired ISO45001 (Occupational Health and Safety Management Systems) certification in 2018.
We have built a central management system capable of administering quality, environments, and occupational health and safety, allowing us to manufacture high quality products that are earth-friendly and safe.


ISO Acquisition

General Description


December 8th, 2000
We acquired certifications of an international standard of quality management, ISO 9001-1994 and an international standard of environmental management, ISO 14001-1996 in all of our places of business at once.
January 25th, 2002
We acquired ISO 9001 / 2000ver.
July 21th, 2017
We acquired migration certification to ISO 9001: 2015 and ISO 14001: 2015.
November 21rd, 2018
We acquired ISO 45001.
  • Places of Business

    • Seki Garden Factory (Seki City, Gifu):Design/Development/Machine processing/Sales
    • Mino Garden Factory (Mino City, Gifu):Casting
  • Purview of Certification

    Design, development, manufacture, and sales of industrial machine parts such as pulleys,
    couplings, special screws, casting products, and other related machine elements. Design and
    provision of internet & catalog retailing service.

  • Accreditation Organization

    • ISO 9001 (Quality Management Systems):UKAS
    • ISO 14001 (Environmental Management Systems):UKAS
    • ISO 45001 (Occupational Health and Safety Management Systems):UKAS
  • Certification Body

    Lloyd's Register Quality Assurance Limited(LRQA)

  • Registration Number

    • ISO 45001:2018(Occupational Health and Safety Management Systems):0077269
    • ISO 9001:2015 (Quality Management Systems):0077268
    • ISO 14001:2015 (Environmental Management Systems):0077267

Philosophy---NBK Declaration

We develop unique products and technology,
with the world’ s best-in-class quality and efficiency in manufacturing,
opening a new world of motion controls,
and offering inspiration and satisfaction to our customers.

We create a safe and pleasant workspace,
improving energy efficiency,
protecting the beautiful natural environment,
and contributing to the creation of an enriched society.

We seek our life's worth and happiness in the work we do,
and continue to innovate every day.

Value the customers,earth and employees all!


  1. We set goals and objectives for quality, the environment, occupational health and safety and energy management, create and put into practice plans to achieve these goals, periodically evaluate results and make revisions, and strive to continuously improve the effectiveness of our management systems, improve customer satisfaction, prevent pollution, protect the environment, prevent work injuries and improve energy performance.
  2. We ensure that information and necessary resources can be used to achieve our goals and objectives.
  3. We observe laws, ordinances, agreements, standards and industry requirements that apply or are related to our products, processes and activities.
  4. We strive to provide work conditions that are safe and healthy, eliminate sources of danger, and reduce occupational health and safety risks.
  5. We strive to procure and design products and services that take quality, the environment, health and safety and energy into consideration.
  6. We strive to put a business continuity plan into operation and continue operating even if our facilities and equipment are damaged during a natural disaster.
  7. We periodically review this policy in order to ensure that it is both valid and appropriate for our company.
  8. We make certain that workers and their representatives discuss and participate when making decisions related to occupational health and safety.
  9. Each of our employees aims to be aware of their individual obligations, carries an "NBK Policy Card" on which is written the NBK Policy, and understands both the meaning and importance of what is written on their card. We also contact our major business partners and ask that they make efforts to understand our activities. The NBK Policy is also disclosed to the general public as necessary.