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Smart Complete Quick-Freezing Equipment Series

Features of Quick-Freezing Cold Storage Equipment
· Ultra-low-temperature rapid cooling
Temperature range: Typically -35°C to -45°C. It can lower the core temperature of food to below -18°C in a short period (e.g., 30 minutes to several hours), locking in freshness.
High cooling capacity requirements: Requires high-power compressors and high-efficiency evaporators (such as multiple piston units or screw units connected in parallel) to ensure rapid heat absorption.
Uniform Air Distribution and Temperature Control
· Forced Convection Design: High-velocity air ducts or air coolers eliminate temperature stratification within the cold storage, preventing uneven freezing (such as ice forming on the surface of food while the interior remains unfrozen).
Precision Temperature Control System: Sensors monitor the storage temperature in real time, maintaining an accuracy of within ±1°C.
· Low-Temperature Resistance and Anti-Frost Structure
Evaporator Anti-Freeze Design: Utilizes electric defrosting or hot gas bypass defrosting technology to minimize the impact of ice buildup on heat exchange efficiency.
Reinforced Insulation: The warehouse structure uses 150–200 mm polyurethane sandwich panels with a thermal conductivity of ≤0.022 W/(m·K) to reduce cold loss.
· High-Reliability Components
Compressor Cold-Resistance: Low-temperature scroll/piston compressors compatible with low-temperature refrigerants such as R404A and R507A.
Moisture and Corrosion Resistance: Evaporator unit housings and piping are made of stainless steel or galvanized steel to prevent corrosion from condensation.
· Energy Efficiency and Environmental Protection
Inverter Technology: Dynamically adjusts compressor speed and fan airflow based on load to reduce standby energy consumption.
Waste Heat Recovery (select high-end models): Utilizes heat from the compressor discharge to preheat defrost water or provide auxiliary heating.
· Automation and Intelligence
PLC/Microcomputer Control: One-touch start/stop, fault alarms, and automatic defrost cycle switching.
Remote Monitoring: Supports IoT connectivity for real-time viewing of data such as storage temperature and energy consumption.

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Product Features

Semi-enclosed quick-freezing unit
Volume of frozen food purchases (tons) 10  15  20 
Model GXW30BBFD/GXN30BBD GXN75BBD GXN160BBD GXB225BBD3 GXB320BBD2
Evaporative Temperature -15~50℃
Refrigerant R404A/R507A
Power Supply 380V/50Hz
Air cooler model LJ270-K11 LJ550K11(K18/9) LJ550-K11(K18/9) LJ550-K11(K18/9) LJ550K11(K18/9)
Compressor Model HSN5363-30 HSN7471-75 HSN8591-160 HSN7471-75 HSN8591-160
Number of Compressors
Capacity Evaporation temperature 0℃ Cooling capacity 73.3  148.6  308.0  445.8  616.0 
Power 30.8  61.1  122.5  183.3  245.0 
Evaporation temperature -10℃ Cooling capacity 51.7  104.1  215.0  312.3  430.0 
Power 29.0  56.2  113.4  168.6  226.8 
Evaporation temperature -20℃ Cooling capacity 347.0  70.2  144.3  210.6  288.6 
Power 27.0  51.3  105.5  153.9  211.0 
Evaporation temperature -30℃ Cooling capacity 16.6  34.4  69.9  103.2  139.8 
Power 23.4  44.2  91.5  132.6  183.0 
Interface Return pipe interface DN40 DN65 DN100 DN125×2 DN150
Liquid outlet pipe interface DN28 DN32 DN40 DN50 DN50
Oil export DN40 DN50 DN80 DN80 DN100
Siphon liquid inlet DN50 DN65 DN65 DN65
Siphon gas to the outlet of the
condenser
DN32 DN40 DN40 DN40 DN40
Size Length(L) mm 3550  2400  2600  3500  3150 
Width(B) mm 1050  1050  1250  1550  1800 
Height(H) mm 1860  1860  2400  2500  2500 

Product Details

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About us
Zhejiang Gaoxiang Industry and Trade Co., Ltd.
Zhejiang Gaoxiang Industry and Trade Co., Ltd. was founded in 1990, belonging to the commercial refrigeration and refrigeration equipment industry in the refrigeration industry. It is a comprehensive industrial company specialized in researching, manufacturing and trading refrigeration equipment. The company produces and sells condensers, Machine, semi-sealed, all sealed cold compression condensing units, large and medium-sized parallel units, and contractors for the cold storage project.
After nearly 30 years of development, the company has become an important supplier of cold chain refrigeration equipment in China with a building area of ​​​​100,000 square meters and an annual production capacity of 500,000 sets of refrigeration equipment and various kinds of refrigeration equipment and products The solutions provided have gained widespread industry acceptance and trust.
Gao Xiang company is a national high-tech enterprise, China Warehousing Association member units, responsible for and participated in the national standard "cooling air cooler" (GB / T25129-2010) formulation. The combined cold storage produced by the Company has become the agricultural machinery promotion product designated by the Ministry of Agriculture and Zhejiang Provincial Department of Agriculture. The agricultural cold storage project below 1,000 cubic meters can be subsidized by the local government according to the government.
Gao Xiang company focused on product frequency conversion, low energy efficient refrigeration technology research and application in this field has 38 core inventions, utility model patents, won the China Machinery Industry Science and Technology Award two prize, in food preservation, preservation, Shelf-friendly technology in the industry. Companies and tertiary institutions and research institutes in the biological samples cryogenic preservation, ultra-low temperature crushing project, marine cryogenic deep processing and preservation of complete sets of cold-chain technology, refrigerant refrigerant and green refrigerant technology for a wide range of research carried out And application, together to create low-temperature technology and engineering production, learning, research base.
"Advocate energy conservation, environmental protection, sharing ideas." Gao Xiang in the future development of the company will actively respond to the national call for energy-saving emission reduction, comply with the global requirements for low-carbon life, closely around the country's "agricultural cold chain logistics development plan" Courage to innovate, keep improving, ensure product quality, keep accelerating product technology upgrade.
Certificate Of Honor
  • ISO9001
  • ISO14001
  • ISO45001
  • CRAA
  • Inspection report certificate
  • Quality management star enterprise
  • Shaoxing Ming brand products
  • Top 30 industrial enterprises
  • National standard drafting unit
  • Postdoctoral workstation
  • Eighteen of the top thirty industries
  • Business license
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