Features of the Company series screw brine unit is simple and stable system design refrigeration equipment maintenance, energy-efficient operation. This feature is reflected in the heat exchanger of the latest technology and advanced use of semi-hermetic twin-screw compressor combined with microcomputer control technology: 1. Screw brine refrigeration unit is widely used in various fields of industrial refrigeration plant, to meet the needs of a variety of different processes. 2. Screw brine unit with R22 refrigerant used refrigeration equipment, providing chilling source below 0 ℃, the water temperature can reach -40 ℃. 2, cleaning services program air system: 2.2 cleaning and disinfection programs: ① various types of filter cleaning: including new air handling units, air conditioning units, fan coil intake and return air filter. ② air conditioning equipment inside cleaning: Regular flushing fresh air unit, air conditioning units, fan coil fin coils, condensate drain pan, inside the box over the wind, into the duct to reduce harmful substances. ③ The "robot" duct cleaning technology, within the wind pipe be thoroughly cleaned. ④ other can filter replacement in accordance with the actual situation in effect, circulating air system add shielded UV sterilizer. _ Snow Dragon refrigeration cold storage refrigeration equipment (certified) _ refrigeration equipment provided by the Dongguan City-long Refrigeration Electrical and Mechanical Equipment Engineering Co., Ltd. Dongguan City-long Refrigeration Electrical Equipment Engineering Co., Ltd. (www.dgxuelong.com) is Dongguan, heat, refrigeration and air conditioning equipment leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. In the Snow Dragon refrigeration leadership with the staff warmly welcome all inquiries negotiations to create a better future XUELONG refrigeration.