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Quality Control

Basic concept

The quality and safety required of automotive frames, which are our flagship products, not only lead directly to value of our customers’ products, but also assume the important mission of protecting the lives of occupants. With this awareness, we always aim to promise quality that ensures customers purchase our products with peace of mind and satisfaction and use our products with a sense of security and satisfaction for a long time.
By establishing the basic concept for that purpose as a quality policy and shared in the H-one Group around the world, we strive to give top priority to our customers and pursue quality.
As a specific activities, we take the Quality Management System (QMS) based on ISO9001 as a foundation for quality activities.

Quality Policy

Based on our management philosophy,
H-one always strives for stable quality and
new value creation to
meet the expectations of all customers and provide
attractive products and services in a timely manner.

  1. Meet customer needs and legal / regulatory requirements, and continuously improve the quality management system.
  2. Set and achieve annual quality targets.
  3. Everyone understands this quality policy and carries out activities.

April 1, 2023
Quality Assurance Representative

ISO9001 Acquisition Status

We acquire "ISO9001", the international standard for quality assurance. Through continuous improvement of quality management, our corporate structure is strengthened.

Facility Location Reviewing Organization First Certification Date Certification Number
Head office Saitama City, Saitama DNV January 21, 1998 6655-1998-AQ-KOB-RvA
Maebashi Plant Maebashi City, Gunma
Ota Plant Ota City, Gunma
Koriyama Plant Koriyama City, Fukushima
Product Development Center Karasuyama Karasuyama City, Tochigi
Kameyama Plant Kameyama City, Mie
Konan Plant Konan City, Shiga
Development & Engineering Center Koriyama City, Fukushima