ISO 9001
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ISO 9001 quality management system

In January 1998, NOHKEN was certified for ISO 9001, the international standards for quality management system. This means our quality management system is accepted internationally.
NOHKEN strives to meet customer requirements and provides the customers with safe and reliable products and services. We regularly review and improve our quality management systems to provide better solutions and to further contribute to the society.

Scope of ISO 9001


Design, development and production of switches and associated devices for level measurement and control, and their after sale services. (Imported products are excluded.)



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