Air conditioning and refrigeration systems: Commercial air conditioning, industrial air conditioning, home air conditioning, window air conditioning, split air conditioning, pipeline air conditioning, centralized air conditioning, ventilation duct system, parts and maintenance, fan turbines, refrigeration programs, air supply technology, variable refrigerant flow systems, unit systems water, cold fans, air coolers, air diffusers, air distributors, central air conditioners, air fresheners, air purifiers, air detection, air conditioner compressors, boilers, combustion equipment, cabinet machines, hotel catering equipment, central air conditioning, ice water machines, air conditioning filters, cooling rooms, air-cooled, evaporative, water-cooled condensers, HVAC, lighting, cooling towers, corrosion control, cylinders, wind barriers, fire gates, air volume regulation dampers; cold cabinets, refrigerated and frozen food cabinets, ice cream machines, refrigerators; refrigerated compartments, freezer compartments, transport refrigeration systems

Building management and control systems: Gatekeeper systems, house control systems, indoor air, building automation, energy management, lamps, elevators, motors, noise and vibration control, water treatment, ventilation and air conditioning systems, roof or outdoor installations, refrigeration and air conditioning

Measurement instruments: Thermometers, barometers, humidity meters (The content of this article belongs exclusively to Juzhan, unauthorized forwarding is prohibited)

Building automation: Various air conditioning heating and refrigeration equipment, processing equipment and control devices, building automatic control and software technology, new process materials and applications, construction machinery and installation technology, etc.