QING AN.QING AN is a professional air conditioning compressor manufacturer with over 30 years of history, located in the Xi'an High-Tech Industrial Development Zone. With total assets valued at 1 billion yuan and over 1,500 employees, the company specializes in the R&D and production of rotary air conditioning compressors. Its products cover a wide cooling capacity range from 100W to 15,000W, offering standard frequency or variable frequency compressors in any specification and power supply configuration. Its main products include DC speed-controlled compressors, twin-rotor inverter compressors, eco-friendly compressors with new refrigerants, T3-rated compressors, horizontal compressors, M-type compressors, high-efficiency compressors, and dedicated heat pump compressors. These are widely used in various refrigeration and heating equipment such as residential air conditioners, dehumidifiers, and heat pumps.