Business Activities

1. Installation of air conditioning equipment
2. Installation of electrical equipment, and information and communications equipment
3. Installation of plumbing facilities and other sanitary facilities
4. Building and public works design and construction
5. Manufacture and sale of construction and sanitary equipment
6. Building and building system maintenance and management, building security and cleaning
7. Development, design, installation, sale, and maintenance of building security systems
8. Consulting services associated with the above activities
9. Other businesses associated with the above activities