Advertising services; Business administration and management; Business administration services; Business consultancy; Business information and inquiries; Business management; Commercial information and advice for consumers; Customer services, namely, responding to customers inquiries for others in the field of air purifying apparatuses; Demonstration of products; Organisation and conducting of product presentations; Organization of fairs for commercial and advertising purposes; Providing a we...

Air analysis apparatus; Electronic controllers for monitoring and analyzing the air; Gas detectors for detecting the presence of gas; Leak detectors for gas, namely, formaldehyde; Measuring and control devices for air conditioning technology; Remote controls for air conditioning installations