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Used refrigeration equipment

Central air conditioning cold storage Refrigeration unit compressor

Second-hand refrigeration equipment refers to refrigeration systems that have already been put into commercial and industrial use. After professional cleaning, leak testing, maintenance, repair, and complete refurbishment, these units can reliably perform functions such as heat transfer, cooling, refrigeration, freezing, and temperature control. Our product range includes central air-conditioning systems, cold-storage equipment, refrigeration units, compressors, cooling towers, blast freezers, air‑source heat pump systems, and more, widely applied in areas like cold-chain logistics, food processing, hospitality and catering, chemical and pharmaceutical industries, industrial temperature control, supermarket freshness preservation, and cold-storage warehousing. Following thorough preparation, all performance parameters meet the required standards, with excellent energy efficiency, allowing for immediate installation and operation. We also offer customized services, making our products t

Product Details

Product Overview

Used refrigeration equipment refers to refrigeration devices that have already been put into commercial and industrial use. After professional cleaning, leak testing, maintenance, repair, and complete refurbishment, these units can reliably perform functions such as heat transfer, cooling, refrigeration, freezing, and temperature control. Our product range covers central air conditioning systems, cold storage equipment, refrigeration units, compressors, cooling towers, blast freezers, air-source heat pump systems, and more, widely applied in cold chain logistics, food processing, hotels and restaurants, chemical and pharmaceutical industries, industrial temperature control, supermarket freshness preservation, and cold storage warehousing. Following thorough preparation, all performance indicators meet standards, with excellent energy efficiency, allowing for direct installation and operation. We also offer customized services, making our products the preferred choice for businesses looking to reduce investment costs and quickly launch refrigeration projects.

Technical Principle

This series of equipment operates on the core principle of vapor-compression refrigeration. The compressor pressurizes low-temperature, low-pressure refrigerant into high-temperature, high-pressure gas, which is then sent to the condenser to release heat, turning into high-pressure liquid refrigerant. Next, a throttling device reduces pressure and temperature, allowing the low-temperature liquid refrigerant to enter the evaporator, where it absorbs heat from the surrounding space or medium to achieve cooling, evaporating into low-temperature, low-pressure gas before returning to the compressor. This continuous cycle provides sustained cooling, freezing, and temperature control. The entire system is equipped with fans, pumps, heat exchange coils, expansion valves, thermostats, pressure protection switches, and other components. High-capacity units often feature screw or centrifugal compressors to meet demanding power requirements under various operating conditions.

Core Advantages and Selling Points

Sufficient cooling capacity and excellent performance recovery

After maintenance and refurbishment, actual cooling output can be restored to 85%–95% of the equipment’s rated capacity, with power ratings ranging from several kilowatts to several megawatts, fully meeting the cooling and freezing needs of facilities of different sizes.

Wide temperature control range and stable precision

Capable of regulating temperatures across a broad range from -60°C to 15°C, with temperature control accuracy reaching ±0.5°C to ±2°C, suitable for various process standards including fresh-keeping, deep-freezing, and precise industrial temperature control.

Normal operating parameters and reliable safety

Key parameters such as compressor pressure, current, evaporation and condensation temperatures all remain within safe limits. The equipment runs quietly without overloading, maintaining stable operation.

Excellent sealing and no refrigerant leakage

Heat exchangers and piping are made from premium materials like copper tubing, aluminum fins, and stainless steel. Rigorous pressure tests and leak inspections confirm excellent airtightness, ensuring no significant refrigerant leaks and overall energy efficiency approaching that of new equipment.

Comprehensive protective devices and strong compliance

High- and low-pressure protection, overload protection, freeze protection, temperature alarms, and other safety features function perfectly, enabling long-term stable operation in line with commercial and industrial refrigeration equipment usage standards.

Complete product lineup and customizable services

Covering central air conditioning, cold storage units, compressors, cooling towers, blast freezers, air-source heat pumps, and other types of refrigeration equipment, we provide tailored solutions based on site conditions, operational requirements, and production capacity.

Target Customer Groups

Cold chain logistics and warehousing companies, food processing and catering enterprises, fresh agricultural product traders, pharmaceutical and chemical manufacturers, hotel and supermarket retailers, industrial production plants, refrigeration engineering contractors, used equipment dealers, and overseas equipment agents.

Application Scenarios

Cold storage and cold chain logistics

Used for low-temperature refrigeration and freezing of food, meat, seafood, and agricultural products, supporting cold storage facilities, cold chain warehouses, and refrigerated container systems.

Food processing and fresh-keeping

Serving food factories, slaughterhouses, bakeries, and beverage production lines, providing frozen raw materials and preserving semi-finished products, while also meeting the needs of vegetable markets, fresh produce counters, and cold storage facilities.

Catering, hotels, and commercial venues

Supplying refrigeration and freezing equipment to hotels, restaurants, and cafeterias, compatible with convenience stores, bubble tea shops, cake shops, display refrigerators, blast freezers, and other facilities.

Pharmaceutical and chemical temperature control

Enabling constant-temperature storage of vaccines, reagents, and biological samples, while satisfying cooling needs for chemical reaction vessels, low-temperature material storage, and precise laboratory temperature control.

Industrial production and process cooling

Providing industrial chilled water units and circulating cooling systems to factories engaged in injection molding, electronics, mechanical processing, electroplating, and other operations, ensuring stable operation of production equipment and processes.

Building commercial central air conditioning

Applied in shopping malls, office buildings, large venues, and production workshops, offering complete HVAC systems including central air conditioning units and fan coil systems.

Aquaculture and agricultural preservation

Used for maintaining constant temperatures in aquaculture ponds, as well as pre-cooling harvested fruits and vegetables, and operating cold storage and controlled-atmosphere storage facilities.

Cold chain transportation support

Replacing or repairing refrigerated and frozen transport vehicles, adapting to temporary refrigeration needs at ports and logistics parks, as well as mobile temperature control scenarios.

Solving Industry Pain Points

Addresses the high cost of purchasing new refrigeration equipment and the heavy upfront capital burden faced by enterprises; improves the situation where delivery times for new cold storage and cold chain projects are excessively long, hindering rapid completion and commissioning; alleviates the difficulties small and medium-sized enterprises and startups face due to limited budgets and challenges in acquiring complete refrigeration systems; avoids resource waste associated with buying new equipment for seasonal production or temporary projects; tackles the issue of rapid equipment obsolescence and significant depreciation of new machines, reducing investment risks; and compensates for the shortage of high-quality refrigeration equipment sources and restricted procurement channels in overseas markets.

Core Product Value

Choosing used refrigeration equipment can significantly cut down initial procurement costs for cold storage, chilled water units, central air conditioning, and other projects, effectively controlling operating expenses. Most units are available immediately, with short installation and commissioning periods, helping projects get up and running quickly. Their cooling capacity, temperature control precision, and energy consumption levels approach those of new equipment, keeping long-term operating costs manageable. These products are versatile, suitable for refrigeration, freezing, industrial cooling, pharmaceutical temperature control, commercial air conditioning, and other applications, boasting exceptional adaptability. For small and medium-sized enterprises, short-term projects, and equipment rental businesses, they represent a highly cost-effective alternative, substantially reducing investment risks.

Frequently Asked Questions (FAQ)

Q1: What categories of used refrigeration equipment do you offer?

A: Primarily central air conditioning systems, cold storage units, refrigeration units, compressors, cooling towers, blast freezers, air-source heat pumps, and other commercial and industrial refrigeration equipment.

Q2: How does the equipment perform in terms of cooling capacity and temperature control range?

A: Cooling capacity can be restored to 85%–95% of the rated value, with a temperature control range from -60°C to 15°C, and temperature control accuracy reaching ±0.5°C to ±2°C.

Q3: Are there any issues with refrigerant leakage?

A: All equipment has undergone pressure testing and leak inspections, confirming excellent airtightness, with well-sealed piping and no noticeable refrigerant leaks.

Q4: Which industries are best suited to this type of equipment?

A: Widely used in cold chain warehousing, food processing, pharmaceutical and chemical industries, hotels and supermarkets, industrial production, building HVAC systems, and other fields.

Q5: Can you provide customized solutions?

A: Yes, we offer customization services, tailoring equipment combinations and specialized refurbishment plans according to specific operating conditions, cooling demands, and site circumstances.