GEM concerns about the importance and responsibility to society, customers, and the environment. Therefore, the management system standards for quality (ISO 9001), environment (ISO 14001), and occupational health and safety (ISO 45001) are implemented in management. The guidelines for practice are as follows:

 

1. Strict adherence to laws and other relevant requirements.

2. Consistently and continuously meet customer needs and requirements with high-quality services that adhere to international standards.

3. Improve the management systems of quality, environment, energy, occupational health and safety under ISO 9001, ISO 14001 and ISO 45001 standard requirements through participation from all employees.

4. Allocate competent and suitable resources to optimize efficiency in both resources and energy.

5. Enhance competencies of internal personnel and all individuals performing on behalf of the company.

6. Continuously control, improve, and prevent the loss of life from accidents, injuries, and work-related illnesses.

7. Operate the business in accordance with the principles of good governance, and maintaining positive relationships with society, communities, and the environment.

8. Take appropriate actions according to factors that affect impact the organization.