Environmental Management
Basic Concept
The Yamato Kogyo Group has established company-wide targets and a promotion system to address environmental issues, all manufacturing sites of domestic and overseas consolidated subsidiaries have acquired and are operating the ISO 14001 environmental management system, an international standard, to continuously improve environmental management.
Policy
Yamato Steel Co., Ltd.
Environmental Policy
◆ Basic Philosophy
We are deeply aware of the importance of protecting the global environment for humanity’s survival. We understand the substantial impact of iron and steel manufacturing on the global and local environment and aim to make continuous improvements harmonized with the environment as well as to focus on the prevention of pollution.
◆ Basic Policy
- Environmental protection is a top management priority and we shall actively carry out environmental protection measures.
- We shall explore the environmental aspects of our production, products, and services and look for ways to reduce environmental load.
- All of our employees and related personnel shall protect the environment through continuous improvements of our environmental activities and promoting the prevention of pollution.
(1) Save energy and resources
(2) Promote recycling
(3) Reduce waste
(4) Follow eco-friendly business practices - We shall comply with all environment-related regulations and agreements we accepted.
- In light of environmental impact assessments, we shall establish action plans for achieving environmental targets, continuously improve and reevaluate environmental activities, and set up review frameworks.
Structure
Under the Sustainability Committee, chaired by the President of Yamato Kogyo Co., Ltd., the Group is engaged in setting environmental targets, monitoring progress toward their achievement, and enhancing environmental performance across the Group. In particular, we regard climate change and other material management issues as important matters and review and discuss them at meetings of the Board of Directors and/or the Management Committee, which provide direction and oversight to the Sustainability Committee. Through its secretariat, the Sustainability Committee formulates and communicates policies and measures to each department and Group company. Based on these policies and measures, each Group company advances environmental initiatives at the company level.
Acquisition of Environmental Certification
All manufacturing sites of domestic and overseas consolidated subsidiaries have acquired ISO 14001 certification, an international certification for environmental management systems, and undergo periodic renewal audits.
<ISO 14001 certified manufacturing sites>
- Yamato Steel Co., Ltd.
- Yamato Trackwork System Co., Ltd.
- Siam Yamato Steel Co., Ltd.
- PT Garuda Yamato Steel
| Registered Organization | Range | Acquisition Date | Last Updated | Expiry Date |
|---|---|---|---|---|
| Yamato Steel | Yamato Steel Head Office | December 21, 2006 | December 21, 2024 | December 20, 2027 |
| Yamato Steel Tokyo Branch | ||||
| Yamato Steel Osaka Branch | ||||
| Yamato Shoji Co., Ltd. | ||||
| Yamato Trackwork System | Head Office and Plant | December 15, 2005 | December 14, 2023 | December 14, 2026 |
| Masago Plant | ||||
| Tokyo Branch | ||||
| Osaka Branch | ||||
| Kyushu Sales Office | ||||
| Siam Yamato Steel | September 24, 2004 | February 23, 2024 | February 22, 2027 | |
| Garuda Yamato Steel | April 3, 2024 | July 22, 2024 | April 2, 2027 | |
Initiatives to Maintain and Improve Environmental Management Levels
Our Group strives to improve its management level by conducting internal audits once a year by the Environmental Management Division, management reviews twice a year by the President and Corporate Auditors, and for overseas consolidated subsidiaries, the Environmental Management Division conducts direct interviews and on-site inspections once a year.
In addition, we are subject to an on-site inspection by Himeji City every year as a compliance audit, and we take appropriate measures to deal with hazardous substances and waste in compliance with laws and regulations.

Patrols
<Compliance audit results>
- On-site water sampling of factory wastewater by Himeji City Environment Policy Office (Jul 2025, Nov 2025, Feb 2026)
Conducted per Article 26 of the Himeji City Pollution Prevention Ordinance. All results (regular items and VOCs) are below legal standard values. - On-site inspection by Himeji City Industrial Waste Management Division conducted (Nov 2025)
Conducted per Article 19, Paragraph 1 of the Act on Waste Management and Public Cleansing. No issues were identified.
Environmental Education
Our Group considers environmental management to be the most important foundation of management, and we continuously provide education on our basic environmental policy and environmental compliance to all levels of employees, from new hires to all ranks.

Environmental Education
