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Environmental Sustainability

REJ is an eco-friendly company, proactively building environmental sustainability into our eco-conscious design and production process. We contribute to cost reduction and energy saving of our customers.


ISO14001 certified are the design, development, manufacture and repainting & parts supply services of the following products:
1) Electrical variable drive control equipment and systems for industrial use
2) Automatic control equipment for semiconductor manufacturing
3) PV-EV system control equipment

Environmental Protection Efforts

Corporate Policy

REJ is committed to taking an active role in conservation and protection of global environment as one of the top priority issues. In every aspect of business activities, we are promoting environmentally friendly behaviors to contribute to the sustainable growth of society.

Action Plan

1. Environmental Conservation
Keeping both environmental and human safety in mind, promote design, development and manufacturing of products that contribute to green living or practices that help resource conservation and quality environmental protection.

2. Adherence to Environmental Laws, Rules and Regulations
Preventing industrial pollution and reducing environmental risks and hazards.

3. Environmental Impact Reduction and Resource Circulating Society Establishment
1) Develop proper business waste management to reduce pollution and recycle useful materials.
2) Reduce greenhouse gas emissions to address global warming.
3) Implement waste management to prevent harm to human health by reducing the volume and hazardous character of industrial waste.

4. Environmental Awareness and Education
Implement education programs that help our employees raise the level of consciousness and improve attitudes toward environmental protection.

5. Continuous Improvement Efforts
Practice an environmental management system through consistent control of plan-do-check-act process.

We will keep our proactive environmental practices updated on website.

Action for RoHS

The RoHS (Restriction of the use of certain Hazardous Substances in electrical and electronic equipment) directive took effect in July 2006. Along with the RoHS implementation, REJ has been striving to take action against the use of the environmentally harmful substances described below to ensure that our products are lead free and safe through each stage of design, development, procurement, and manufacturing.

RoHS 6 Types of Hazardous Materials

Lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyl (PBB) and polybrominated diphenyl ether (PBDE) flame retardants.

Contribution to Regional Development

Local Beautification Project

The Beautification Committee was established over 10 years ago and during that period has improved our community environment. The committee consists of members and volunteers. The purpose of the committee is to implement actions that beautify and enhance the overall appearance of our Yokohama office, community and the quality of work life of employees by picking up litter and garbage. Further, the committee organizes a cleanup event twice a year to assist in changing the surroundings of the Umi-no-koen Park and Nojima Park in Kanazawa, Yokohama.


Cleanup in local area


Local seaside park

Conservation Fund

REJ annually raises funds for saving the atmosphere and the earth. Through the independent administrative entity, the raised money is contributed to NGO and NPO that promote environmental protection plans to provide information on education, volunteerism, increase the effectiveness of local and regional communities working on environmental issues and offer a variety of training opportunities.


Donation box for saving earth

REJ has been engaged in the donation of vaccines to children in developing countries by proactively collecting caps separately from the plastic bottle and bringing them to the Eco Movement, a nonprofit organization in Yokohama, so the plastic bottle caps are sold to plastic companies and reused.

REJ has been engaged in the donation of used and old books to the local public library.

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