The telecommunications and IT sectors are constantly moving forward. Demand for computing centers, IT applications, and IT technology is constantly demanding – and ventilation and cooling technologies must keep pace with this.Increasingly powerful, compact, and faster computer systems in telecommuni

In refrigeration systems, evaporators, condensers, compressors and throttle valves are the four indispensable components of refrigeration systems. In the air-cooled condenser, by condensing the high-temperature gaseous refrigerant, the axial fan discharges the high-temperature gas into the outside

In the current transportation field at home and abroad, rail transit (including urban subway and light rail, intercity railway and intercity subway) has become the trend of public transportation development in various countries and regions. In modern society, people have high requirements for safety

In recent years, with the increasing number of patients with air conditioning disease, people have questioned the traditional ventilation method. The original air conditioning system can not well meet people's requirements for indoor ventilation, if the air conditioning cleaning is not timely and ev