[ (( Retail store services featuring goods for heating, drying and ventilation, fans being parts of air-conditioning installations, fans for air-conditioning, electric fans for personal use, parts and components for fans and ventilation apparatus including sound dampers, intake screens, back draft dampers, fire valves and shutter valves, inlet and outlet supply and exhaust connections, connections, air seals, ventilation ducts and ventilation units, ventilation hoods, supply-air units, speed ...

Research and development services for new products for others

Cooperative advertising and marketing services

Electronic speed controls for fans, automatic level-controlling valves for water heater tanks

stationary rotary-screw compressors for industrial non-breathable air applications