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 TF Series Box Type Condensing Unit
 TF Series Box Type Condensing Unit
 TF Series Box Type Condensing Unit
 TF Series Box Type Condensing Unit
 TF Series Box Type Condensing Unit
 TF Series Box Type Condensing Unit
The KAIDELI TF Series Box Type Condensing Unit is designed for medium-temperature, low-temperature, and low-temperature quick-freezing refrigeration applications. Featuring a semi-hermetic compressor, efficient refrigeration condenser, liquid receiver, oil separator, filter drier, sight glass, gas-liquid separator, pressure protection, and integrated refrigeration controls, the TF Series provides a compact and reliable solution for cold storage, cold rooms, refrigerated warehouses, food processing, and other commercial and industrial refrigeration systems.
  • TF Series

  • KAIDELI

  • BITZER

  • Reciprocating Compressor

  • Air-Cooled / Water-Cooled

  • 380V / 3 Phase / 50Hz

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The TF Series Box Type Condensing Unit is a compact refrigeration condensing unit designed for commercial and industrial refrigeration systems. Its enclosed box-type configuration integrates key refrigeration equipment into an organized and space-saving system, providing a practical solution for different refrigeration applications.

The TF Series is suitable for cold storage, cold rooms, refrigerated warehouses, food processing, commercial refrigeration, cold chain refrigeration, and other temperature-controlled applications.

Key Features of the TF Series Box Type Refrigeration Condensing Unit

Compact Box Type Refrigeration Unit

The TF Series features a compact box-type design that integrates key refrigeration equipment into an organized refrigeration system. The enclosed configuration helps optimize equipment layout and provides a practical solution for refrigeration installations where available space is limited.

Reliable Refrigeration Compressor

The refrigeration compressor is a core component of the TF Series condensing unit. Proper compressor selection helps match the required refrigeration capacity, evaporating temperature, condensing temperature, refrigerant, and operating conditions of the refrigeration system.

Efficient Refrigeration Condenser

The refrigeration condenser removes heat from the refrigerant during the condensing process. Proper condenser selection and heat rejection capacity help maintain stable condensing temperature and reliable refrigeration system operation.

Integrated Refrigeration Components

TF-15MY Box Type Condensing Unit - 12 Interactive Components

TF Series Box Type Condensing Unit TF-15MY

Interactive 12-Component Modular Breakdown & Specifications

Click pins to inspect
Series: TF (Box Top-Discharge)
Capacity: 15 HP (Nominal Power)
Temp Range: M (Med-High Temp -5°C~+5°C)
Refrigerant: Y (R404A / R507A Eco)
TF-15MY Box Type Condensing Unit
COMPONENT 01
Refrigeration Compressor (15 HP)
Main Function / Role
Continuous refrigerant vapor suction, compression, and high-pressure circulation.
TF-15MY Technical Spec
15HP high-COP scroll/semi-hermetic compressor optimized for medium-high temperature range (-5°C to +5°C) with built-in thermal protector and crankcase heater.
️ Power Core
COMPONENT 02
Air-Cooled Refrigeration Condenser
Main Function / Role
High-temperature superheated vapor desuperheating and high-efficiency liquefaction.
TF-15MY Technical Spec
L-shaped / high-density hydrophilic blue aluminum fins with Ø9.52mm inner-grooved seamless copper tubes for high heat flux and salt-spray resistance.
️ Heat Exchanger
COMPONENT 03
Liquid Receiver
Main Function / Role
Stores liquid refrigerant and buffers fluctuating system charge during load changes.
TF-15MY Technical Spec
High-capacity ASME/CE certified seamless steel pressure vessel equipped with rotalock shut-off valves and safety relief valve (Set: 2.8 MPa).
️ Pressure Vessel
COMPONENT 04
Filter Drier
Main Function / Role
Absorbs moisture, neutralizes harmful system acids, and filters solid debris.
TF-15MY Technical Spec
Solid 100% 3Å molecular sieve desiccant core with 20-micron filtration pad to protect expansion valve orifices from freezing and erosion.
️ Purification
COMPONENT 05
Sight Glass
Main Function / Role
Visual confirmation of bubble-free liquid refrigerant flow and moisture levels.
TF-15MY Technical Spec
High-pressure optical viewing window with chemical moisture indicator ring (Green = System Dry, Yellow = System Wet/Caution).
️ Visual Diagnostics
COMPONENT 06
Solenoid Valve
Main Function / Role
Automated liquid line shut-off during pump-down and compressor shutdown cycles.
TF-15MY Technical Spec
Pilot-operated normally closed (NC) brass body solenoid valve with IP65 moisture-proof encapsulated electromagnetic coil (220V/50Hz).
️ Flow Control
COMPONENT 07
Pressure Switch
Main Function / Role
Monitors operating pressures and protects against high head or loss of charge.
TF-15MY Technical Spec
Dual-pressure safety controller (HP: Manual reset cutout at 2.6 MPa; LP: Auto-reset cutout at 0.05 MPa) with SPDT micro-switch contacts.
️ Safety Protection
COMPONENT 08
Refrigeration Controls & Accessories
Main Function / Role
System pressure monitoring, vibration isolation, and charging service access.
TF-15MY Technical Spec
Dual glycerin-filled anti-vibration pressure gauges (High & Low), Schrader charging access valves, vibration absorber, and safety relief valve.
️ System Accessories
COMPONENT 09
Box / Enclosure
Main Function / Role
Outdoor weatherproof housing, acoustic sound dampening, and mechanical protection.
TF-15MY Technical Spec
Heavy-gauge galvanized steel sheet with 200°C electrostatic anti-corrosion powder coating, acoustic foam lining, and double front service access doors.
️ Cabinet Housing
COMPONENT 10
Condenser Fan / Fan Motor
Main Function / Role
Forced top-discharge airflow across condensing coils for maximum heat rejection.
TF-15MY Technical Spec
Dual top-mounted Ø500mm external rotor axial fans, IP54 insulation class F motor, high-airflow aerodynamic sickle blades with steel protective guard.
️ Airflow Dynamics
COMPONENT 11
Refrigerant Piping
Main Function / Role
Hermetic closed-loop circulation of liquid and vapor refrigerant throughout unit.
TF-15MY Technical Spec
Heavy-wall deoxidized refrigeration-grade copper tubes (TP2), silver-brazed joints, elastomeric thermal insulation on suction line, and external brass shutoff valves.
️ Copper Loop
COMPONENT 12
Electrical Control Box
Main Function / Role
Integrated electrical distribution, automatic microcomputer cycling & motor protection.
TF-15MY Technical Spec
Pre-wired electrical panel with heavy-duty AC contactor, phase sequence & loss protection relay, thermal overload protector, and numbered terminal blocks (380V/3P/50Hz).
️ Electrical Panel

Enclosed Box Type Design

The enclosed box-type structure provides an organized equipment layout and helps simplify installation. The compact design is suitable for refrigeration projects where equipment integration and efficient use of installation space are important.

Flexible Refrigeration System Configuration

The TF Series can be selected according to different refrigeration capacity requirements, operating temperatures, refrigerant configurations, and installation conditions, allowing the condensing unit to be integrated into various refrigeration system designs.

TF Series Refrigeration Condensing Unit Technical Specifications

The technical configuration of the TF Series should be selected according to the refrigeration system requirements and actual operating conditions.

TF15MY Refrigeration Oil Code (e.g. Y = POE Oil, Omitted = Mineral Oil) Unit Temp. Range (e.g. H = High, M = Med, L = Low Temp) Nominal Compressor Power (e.g. 15 = 15 HP) Double-layer Box Type Condensing Unit Series (Frascold Compressor)

Medium temperature unit (refrigerant R22 & R404A/R507A) (Frascold)

TF Series Reciprocating Condensing Unit (Power Supply: 3PH/380V/50Hz / Storage Temp: -5℃~5℃ / Standard Design: Ambient 32°C, Suction Superheat 10K / Fan Voltage: 3PH/380V/50Hz)

Unit Model Compressor Max. A R22 Cap./Power (kW)
-5℃ / -8℃ / -10℃
R404A/R507A Cap./Power (kW)
-5℃ / -8℃ / -10℃
Fan (Power / Current / Speed) Interface (Suction/Liquid) Weight (kg) Dimensions (L*W*H) Install Dim. (a*b)
TF12MY S12-42Y 22.4 25.3/8.7 | 22.6/8.3 | 21.1/7.9 22.6/9.7 | 20.2/9.1 | 18.9/8.6 2×414W / 1.7A / 1300 r/min φ35 / φ16 356 1590*805*1990 850*775
TF15MY S15-52Y 32.4 31.8/10.5 | 28.3/9.9 | 26.3/9.5 29.9/12.9 | 27.0/12.2 | 25.3/11.6 2×414W / 1.7A / 1300 r/min φ42 / φ22 371 1590*805*1990 850*775
TF20MY S20-56Y 38.4 34.1/12.0 | 30.8/11.4 | 28.8/10.9 32.9/14.2 | 29.7/13.4 | 27.9/12.8 2×500W / 1.9A / 1380 r/min φ42 / φ22 386 1590*805*1990 850*775
TF25MY V25-71Y 43.5 42.1/14.5 | 38.0/13.8 | 35.5/13.2 39.8/17.5 | 35.6/16.5 | 33.2/15.9 2×800W / 3.2A / 1320 r/min φ54 / φ22 525 1890*905*2190 1000*875
TF30MY V30-84Y 49.2 49.4/17.5 | 44.6/16.6 | 41.7/15.9 48.1/20.9 | 43.1/19.7 | 40.3/18.9 2×800W / 3.2A / 1320 r/min φ54 / φ22 545 1890*905*2190 1000*875
TF35MY V35-103Y 61.0 60.1/21.1 | 54.6/20.1 | 51.4/19.4 56.9/27.8 | 51.3/26.0 | 48.1/24.8 2×800W / 3.2A / 1320 r/min φ54 / φ22 560 1890*905*2190 1000*875

Low temperature unit (refrigerant R404A/R507A) (Frascold)

TF Series Reciprocating Condensing Unit (Power Supply: 3PH/380V/50Hz / Storage Temp: -15℃~-35℃ / Standard Design: Ambient 32°C, Suction Superheat 10K / Fan Voltage: 3PH/380V/50Hz)

Unit Model Compressor Max. A Cap./Pwr @ -20℃ Cap./Pwr @ -25℃ Cap./Pwr @ -30℃ Cap./Pwr @ -35℃ Cap./Pwr @ -40℃ Fan Specs Suction / Liquid Weight (kg) Dimensions (L*W*H) Install Dim. (a*b)
TF08LY S8-42Y 20.3 11.7 / 7.8 9.5 / 6.8 7.5 / 5.8 5.8 / 4.8 4.2 / 3.9 2×205W / 1.02A / 1380rpm φ35 / φ16 293 1290*655*1750 557*625
TF10LY S10-52Y 24.5 14.7 / 10.1 12.1 / 8.7 9.8 / 7.4 7.7 / 6.3 5.8 / 5.2 2×205W / 1.02A / 1380rpm φ35 / φ16 298 1290*655*1750 557*625
TF15LY V15-71Y 32.2 19.9 / 14.0 16.3 / 12.0 13.2 / 10.2 10.3 / 8.5 7.7 / 7.0 2×414W / 1.7A / 1300rpm φ42 / φ22 416 1590*805*1990 850*775
TF20LY V20-84Y 42.6 22.5 / 15.8 18.4 / 13.7 14.7 / 11.7 11.4 / 9.9 8.5 / 8.2 2×414W / 1.7A / 1300rpm φ42 / φ22 441 1590*805*1990 850*775
TF25LY V25-103Y 52.3 28.2 / 21.0 22.6 / 18.1 17.7 / 15.4 13.5 / 12.9 9.8 / 10.8 2×500W / 1.9A / 1380rpm φ54 / φ22 461 1590*805*1990 850*775
TF30LY Z30-126Y 55.7 33.6 / 22.8 27.1 / 19.8 21.4 / 16.9 16.4 / 14.2 12.1 / 11.7 2×800W / 3.2A / 1320rpm φ54 / φ22 575 1890*905*2190 1000*875
TF40LY Z40-154Y 77.9 44.1 / 30.3 36.3 / 26.1 29.4 / 22.2 23.1 / 18.6 17.2 / 15.4 2×800W / 3.2A / 1320rpm φ54 / φ22 596 1890*905*2190 1000*875

Low temperature quick freezing unit (refrigerant R404A/R507A) (Frascold)

TF Series Subcooling Condensing Unit (Power Supply: 3PH/380V/50Hz / Storage Temp: -35℃~-55℃ / Standard Design: Ambient 32°C, Suction Superheat 10K with Subcooling Operation / Fan Voltage: 3PH/380V/50Hz)

⚠️ Notice: The impact of subcooling should be considered when selecting an expansion valve. Oversizing can easily lead to compressor overload and liquid floodback.
Unit Model Compressor Max. A @ -35℃
Cap./Pwr (Liq. T)
@ -40℃
Cap./Pwr (Liq. T)
@ -45℃
Cap./Pwr (Liq. T)
@ -50℃
Cap./Pwr (Liq. T)
@ -55℃
Cap./Pwr (Liq. T)
@ -60℃
Cap./Pwr (Liq. T)
Fan (Power / Current / Speed) Interface (Suct./Liq.) Weight (kg) Dimensions (L*W*H) Install Dim. (a*b)
TF07JY S7 18.0 7.9 / 6.7
Liq: 8.3℃
6.6 / 6.0
Liq: 4.5℃
5.4 / 5.2
Liq: 0.7℃
4.3 / 4.5
Liq: -3.2℃
3.4 / 3.9
Liq: -7.2℃
2.6 / 3.3
Liq: -11.2℃
2×205W / 1.02A / 1380 r/min φ35 / φ16 303 1290*655*1750 557*625
TF10JY 2V10 23.0 11.6 / 10.3
Liq: 8.3℃
9.7 / 9.1
Liq: 4.5℃
8.0 / 7.9
Liq: 0.7℃
6.5 / 6.9
Liq: -3.2℃
5.2 / 6.0
Liq: -7.2℃
4.1 / 5.2
Liq: -11.2℃
2×414W / 1.7A / 1300 r/min φ35 / φ16 359 1590*805*1990 850*775
TF15JY 2Z15 31.0 15.9 / 13.7
Liq: 8.3℃
13.3 / 12.1
Liq: 4.5℃
10.9 / 10.6
Liq: 0.7℃
8.9 / 9.2
Liq: -3.2℃
7.1 / 8.0
Liq: -7.2℃
5.6 / 6.8
Liq: -11.2℃
2×414W / 1.7A / 1300 r/min φ42 / φ22 479 1590*805*1990 850*775
TF20JY 2Z20 37.0 19.4 / 16.4
Liq: 8.3℃
16.1 / 14.6
Liq: 4.5℃
13.3 / 12.9
Liq: 0.7℃
10.8 / 11.3
Liq: -3.2℃
8.6 / 9.8
Liq: -7.2℃
6.8 / 8.5
Liq: -11.2℃
2×500W / 1.9A / 1380 r/min φ42 / φ22 491 1590*805*1990 850*775
TF25JY 2Z25 45.0 22.9 / 19.2
Liq: 8.3℃
19.1 / 17.0
Liq: 4.5℃
15.7 / 14.9
Liq: 0.7℃
12.8 / 12.9
Liq: -3.2℃
10.2 / 11.2
Liq: -7.2℃
8.0 / 9.6
Liq: -11.2℃
2×800W / 3.2A / 1320 r/min φ42 / φ22 572 1890*905*2190 1000*875
TF30JY 2Z30 53.0 28.5 / 24.2
Liq: 8.3℃
23.6 / 21.1
Liq: 4.5℃
19.3 / 18.4
Liq: 0.7℃
15.6 / 15.9
Liq: -3.2℃
12.4 / 13.6
Liq: -7.2℃
9.7 / 11.6
Liq: -11.2℃
2×800W / 3.2A / 1320 r/min φ54 / φ22 595 1890*905*2190 1000*875

Medium & Low Temperature Refrigeration Operating Range

The TF Series can be configured according to the required evaporating temperature and refrigeration application. Medium-temperature and low-temperature refrigeration systems have different operating requirements and should be matched with the appropriate compressor and condensing unit capacity.

Medium Temperature Refrigeration Applications

Medium-temperature refrigeration is commonly used for refrigerated storage and commercial refrigeration applications where products require controlled temperatures above typical freezing conditions.

Typical applications include:

  • Cold rooms

  • Fresh food storage

  • Refrigerated warehouses

  • Beverage refrigeration

  • Commercial refrigeration

  • Food processing refrigeration

Low Temperature Refrigeration Applications

Low-temperature refrigeration systems are designed for applications requiring lower evaporating temperatures and freezing conditions.

Typical applications include:

  • Frozen food cold storage

  • Meat and seafood cold storage

  • Frozen product warehouses

  • Freezer rooms

  • Cold chain logistics

  • Food processing refrigeration

Refrigeration Compressor, Condenser & Integrated Components

A refrigeration condensing unit consists of several important components that work together to circulate refrigerant and reject heat from the refrigeration system.

Refrigeration Compressor

The refrigeration compressor increases refrigerant pressure and circulates refrigerant through the refrigeration cycle. Compressor selection should consider refrigeration capacity, evaporating temperature, condensing temperature, refrigerant type, and operating conditions.

Refrigeration Condenser

The refrigeration condenser transfers heat from the high-pressure refrigerant to the surrounding environment. Its heat rejection capacity should be properly matched with the compressor and overall refrigeration system requirements.

Liquid Receiver & Refrigeration Accessories

The liquid receiver provides refrigerant storage within the system and helps manage liquid refrigerant during different operating conditions.

Depending on the system configuration, refrigeration accessories may include:

  • Filter drier

  • Sight glass

  • Solenoid valve

  • Refrigeration valves and fittings

  • Refrigeration piping accessories

The exact component configuration should be confirmed according to the selected TF Series model.

Controls & Protection Components

Pressure switches and refrigeration controls can monitor and protect the refrigeration system. Proper control and protection components help support stable operation and protect key refrigeration equipment under different operating conditions.

TF Series Box Type Condensing Unit Models & Selection Guide

Selecting the appropriate TF Series model requires consideration of the refrigeration system's cooling capacity, operating temperature, refrigerant, compressor requirements, and installation environment.

Important selection factors include:

  • Required refrigeration capacity

  • Evaporating temperature

  • Condensing temperature

  • Refrigerant type

  • Compressor capacity

  • Condenser capacity

  • Ambient temperature

  • Installation conditions

  • Electrical requirements

The condensing unit should be selected according to the actual refrigeration load and system operating conditions rather than compressor power alone.

TF Series Condensing Unit Dimensions & Installation Requirements

Box Type Condensing Unit Dimensions & Mounting

The TF Series box-type structure provides an organized equipment configuration for refrigeration system installation. Actual dimensions and mounting requirements depend on the selected model and configuration.

The installation location should provide a stable mounting surface and sufficient space for equipment operation, inspection, and maintenance.

Ventilation & Installation Clearance

Adequate ventilation is important for reliable condensing unit operation. The installation area should provide sufficient airflow and clearance around the condenser and other heat-rejection components.

Installation conditions should consider:

  • Ambient temperature

  • Air circulation

  • Equipment clearance

  • Maintenance access

  • Drainage requirements

  • Refrigeration piping layout

Refrigeration Piping & Electrical Connection

Refrigeration piping should be designed according to the refrigeration capacity, refrigerant, pipe length, pressure drop, and system configuration.

Electrical connections should comply with applicable electrical requirements and match the selected TF Series model.

TF Series Condensing Unit Applications for Cold Storage & Commercial Refrigeration

The TF Series Box Type Condensing Unit can be used in various temperature-controlled refrigeration systems.

Cold Storage & Cold Rooms

The TF Series can be integrated into refrigeration systems for cold rooms and cold storage facilities requiring reliable temperature control.

Refrigerated Warehouses

Refrigerated warehouses require suitable refrigeration equipment to maintain controlled storage temperatures. The appropriate TF Series configuration can be selected according to the warehouse refrigeration load and operating temperature.

Food Processing Refrigeration

Food processing facilities often require refrigeration for raw materials, processed products, and temperature-controlled production areas. The TF Series can be integrated into refrigeration systems for different food processing applications.

Meat & Seafood Cold Storage

Meat and seafood storage requires controlled refrigeration conditions. Proper refrigeration capacity and system configuration are important for maintaining the required storage temperature.

Cold Chain Logistics

Cold chain logistics facilities require stable refrigeration throughout temperature-controlled storage and distribution processes. The TF Series can be used in refrigeration systems for cold chain warehouses and related applications.

Commercial Refrigeration

The TF Series can also be applied to commercial refrigeration systems, including refrigerated storage areas, food retail facilities, and other temperature-controlled commercial applications.

Industrial Refrigeration Systems

For industrial refrigeration applications, condensing unit selection should consider refrigeration capacity, operating temperature, ambient conditions, refrigerant requirements, and continuous operating conditions.

Box Type vs Open Type Condensing Unit: Which Is Right for Your Refrigeration System?

Box Type Condensing Unit

A box-type condensing unit integrates refrigeration equipment into an enclosed structure. This configuration provides a compact equipment arrangement and can be suitable for refrigeration installations where organized equipment layout and space efficiency are important.

Open Type Condensing Unit

An open-type condensing unit generally provides direct access to individual refrigeration components. This configuration can be suitable for applications where frequent maintenance, component inspection, or flexible equipment arrangements are required.

Choosing the Right Condensing Unit Design

The choice between a box-type and open-type condensing unit depends on the refrigeration system design, installation environment, maintenance requirements, available space, and equipment configuration.

How to Select the Right Condensing Unit for Your Refrigeration System

Determine Required Refrigeration Capacity

Calculate the required refrigeration capacity based on room dimensions, product load, ambient conditions, door openings, insulation, pull-down requirements, and other heat loads.

Select the Appropriate Evaporating Temperature

The required evaporating temperature depends on the target storage or operating temperature. Medium-temperature and low-temperature refrigeration systems require different refrigeration configurations.

Choose the Refrigerant

Refrigerant selection should consider system design, operating temperature, refrigeration capacity, applicable regulations, and equipment compatibility.

Match Compressor & Condenser Capacity

The refrigeration compressor and condenser should be properly matched to provide the required cooling capacity and heat rejection performance under the expected operating conditions.

Consider Ambient Temperature & Installation Conditions

Ambient temperature, ventilation, installation location, altitude, maintenance space, and electrical conditions can affect condensing unit performance.

Why Choose KAIDELI as Your Refrigeration Equipment Manufacturer?

Professional Refrigeration Equipment Manufacturing

KAIDELI focuses on refrigeration equipment and refrigeration system solutions for commercial and industrial applications.

Box Type Condensing Unit Solutions

KAIDELI provides box-type condensing unit solutions designed for different refrigeration applications and system configurations.

Integrated Refrigeration Components

A properly configured condensing unit brings together the refrigeration compressor, refrigeration condenser, controls, and required refrigeration accessories to support efficient system integration.

Customized Refrigeration Solutions

Different refrigeration projects have different cooling capacity, temperature, refrigerant, installation, and operating requirements. KAIDELI can provide refrigeration equipment solutions according to specific project requirements.

Technical Support & After-Sales Service

Technical support can assist customers with condensing unit selection, refrigeration system configuration, installation requirements, and equipment operation.

TF Series Box Type Condensing Unit FAQs

What is a TF Series Box Type Condensing Unit?

The TF Series Box Type Condensing Unit is an enclosed refrigeration condensing unit designed for commercial and industrial refrigeration systems. Its box-type configuration provides a compact equipment solution for different refrigeration applications.

What applications can the TF Series Condensing Unit be used for?

The TF Series can be used in refrigeration systems for cold storage, cold rooms, refrigerated warehouses, food processing, meat and seafood storage, cold chain logistics, commercial refrigeration, and industrial refrigeration applications.

What components are included in the TF Series?

The exact component configuration depends on the selected TF Series model. A refrigeration condensing unit may include a refrigeration compressor, refrigeration condenser, liquid receiver, filter drier, sight glass, solenoid valve, pressure switch, and refrigeration controls & accessories.

Is the TF Series suitable for medium-temperature refrigeration?

The TF Series can be configured for refrigeration applications according to the required evaporating temperature and refrigeration capacity. The actual operating range should be confirmed according to the selected model and technical specifications.

Is the TF Series suitable for low-temperature refrigeration?

The TF Series can be configured for low-temperature refrigeration applications when the selected model and compressor configuration meet the required operating conditions.

How do I choose the right TF Series model?

Model selection should consider refrigeration capacity, evaporating temperature, condensing temperature, refrigerant, compressor capacity, condenser capacity, ambient temperature, installation conditions, and electrical requirements.

Keep in touch with us

Looking for the right refrigeration equipment for your cold storage project? Contact our team for product information, technical support, and a suitable refrigeration solution for your application.

Mob:+86-159 6116 8909

E-mail:aaron@freezercold.com