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.

ISO Acquisition

Energy Management Systems

  • Energy procurement is an essential factor to conduct business.
    The procurement is a high association with a huge challenge toward exhaustion of fossil fuels and global warming countermeasures.
    ISO 50001 is a global standard which is widely watched in industry.
    Our company proceeds manufacturing under slogan “Superior products are manufactured in an ideal environment.”
    With the acquirement of ISO 50001, we try more to create safe and comfortable work space, increase energy efficiency, protect beautiful natural environment, and contribute creating an affluent society
  • Energy Management Systems

Business Continuity Management Systems

  • Organizations are surrounded by the various risk factors. ISO22301 reduces the potential risks, and provides for the unforeseen events.
    This is enabled by drawing up Business Continuity Plan (BCP) for the clear recovery process and also by establishing the framework to maintain the effective performances.
    There is a growing recognition on a contingency plan and especially, the importance of business continuity management systems have been emphasized in Japan after the Great East Japan Earthquake on March 11, 2011.
    NBK recognizes the difficulty in our daily operation, including production and shipment, under megathrust earthquake over seismic intensity 5.
    During the disruptive event, customers, suppliers, as well as other stakeholders could be affected.
    Also, our business itself could be threatened where longer recovery and resilience period are required.
    As an ISO22301 certified organization, NBK eliminates every aspects of threats against the business continuity and will ensure the prompt recovery system for both supply chain and for security of the employees.
  • Business Continuity Management Systems

Towards the construction of an integrated management system.

  • ollowing our simultaneous certification of ISO9001 (quality) and ISO14001 (environment) in 2000, we were also certified for OHSAS18001 (Occupational Health and Safety Assessment Series) in 2004.
    By implementing an integrated management system that simultaneously fulfills these three standards, we will be able to realize craftsmanship that is safe, environmentally friendly, and of the highest quality.
  • Towards the construction of an integrated management system

General Description

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.
June 14th, 2004
We acquired OHSAS 18001.
December 23rd, 2011
We acquired ISO 50001.
  • Places of Business

    • Seki Garden Factory (Seki City, Gifu):Design/Development/Machine processing/Sales
    • Mino Foundry (Mino City, Gifu):Casting
    • Tokyo Office (Minato-ku, Tokyo):Sales
    • Osaka Office (Suita City, Osaka):Sales
  • Purview of Certification

    All of our business activities and products
    (pulleys, shaft couplings, other machine elements and machine tools)

  • Accreditation Organization

    • ISO 90018 (Quality Management Systems):UKAS・JAB
    • ISO14001 (Environmental Management Systems):UKAS・JAB
    • OHSAS 18001 (Occupational Health and Safety Management Systems):UKAS
    • ISO 50001 (Energy Management Systems):JAB
  • Certification Body

    Lloyd's Register Quality Assurance Limited(LRQA)

  • Registration Number

    • OHSAS 18001:2007 (Occupational Health and Safety Management Systems):YKA 4002834
    • ISO 9001:2008 (Quality Systems):YKA 0200326
    • ISO 14001:2004 (Environmental Management Systems):YKA 0772851
    • ISO 50001:2011 (Energy Management Systems):YKA 4002834

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 oering 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 our aim and goal of quality, environment, occupational health and safety and energy management. By creating a plan to achieve our goal, putting the plan into execution and valuing and reviewing the conclusion regularly, we try to do a continuous improvement of effectiveness of the management systems, prevention of pollution, health and safety, and improvement of energy performance.
  2. We make sure that we use information to achieve our aim or goal, and necessary resources.
  3. We observe requirements stipulated in laws, ordinances, agreements, standards and industry which are applied to or involved in our company’s products, process and activity.
  4. We try to procure and design products and services which is conscious of quality, environment, health and safety, and energy.
  5. We review the validity of the policy regularly to proper suit for our company.
  6. All of the employees understand content and importance of this policy which specified in “NBK Policy Card” and carry the card with the intent to be aware of our each obligation. Also, we share our policy and activities with all customers. We publish NBK Policy to the public as necessary.