

Logistics Warehousing Cold Room
•Productive Cold Room
•Distributive Cold Room
•Life Service Cold Room
Overview
Productive Cold Room
Built in areas with concentrated supply of goods. Perishable foods such as fish, poultry, eggs, fruits and vegetables, after appropriate processing, are sent to the cold storage for cold processing, and then transported to the consumption area for distribution.
Distributive Cold Room
Built in big cities or water and land transportation hubs and densely populated industrial and mining areas, it is used for market supply, transportation and storage of food.
Life Service Cold Room
Used for temporary storage of food for adjustment of daily needs
Refrigerating System
Semi-hermetic piston compressors and semi-hermetic screw compressors are mostly used. The evaporator adopts internal thread copper copper tube aluminum fins, German EBM or Xerox-Best motor, which has high heat exchange efficiency. The condenser can use air-cooled condensers, evaporative condensers, and water-cooled condensers according to the location of the project and the climatic characteristics. The cooling and heat exchange efficiency is high and the economic cost is low as the criteria.
Refrigeration valve
The valves for the refrigeration system adopt international famous brands such as Danfoss, Saginomiya and Emerson, with reliable and stable performance.
Electrical control
It adopts fully automatic microcomputer controller or PLC touch screen centralized control technology, high-precision temperature sensor, large-screen digital display, set operating temperature, automatic switch machine, over-temperature and overload fault alarm, delay protection and quick start, rotating work, In case of failure, automatic switching and other functions.
Features
Productive Cold Room:Large cold processing capacity, zero in and out of stored items
Distributive Cold Room:The refrigeration capacity is large and the freezing capacity is small, which is suitable for the storage of a variety of foods.
Life Service Cold Room:The storage capacity is small, the storage period is short, the variety is large, and the stocking rate is low.
Specifications
Name | Temperature range | Thickness | Remarks |
Polyurethane Sandwich Panel | ≥0℃ | ≥100mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |
Polyurethane Sandwich Panel | -15℃~-25℃ | ≥150mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |
Polyurethane Sandwich Panel | ≤-30℃ | ≥200mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |

Low Temperature Cold Room

-10°C ~-25°C Low-Temperature Biomedical Freezer DW-YW358A
•Stable temperature performance
•High quality refrigeration system
•High-precision temperature control
•Reliable audible and visual alarm system
•Cost-effective biomedical chest freezer

Ultra Low Temperature Cold Room


-86°C Ultra Low Temperature Freezer Vaccine Freezer DW-HL678HC
•Fast refrigeration for target temperature
•High-efficiency compressor, Hydrocarbon environmental refrigerant
•Ultra low noise design for environment friendly
•Reduce power consumption of the freezer by 40%
•Equipped with VIP vacuum thermal insulation plate
Overview
Meling -86°C HC ultra low temperature freezer DW-HL678HC brings super updates in ultra low freezer series. The new structure of the deep freezer for laboratory and medical comes with 4 independent inner doors. The optimized foaming insulation inside the doors provides better temperature performance. This ultra low freezer/ lab freezer is specially designed to meet the demands for long-term and safe storage of the high-valued medical and laboratory materials.
High configuration control system
The ultra low freezer has a new look 7 inches LED touch screen display, giving you more user-friendly and convenient interface. And it makes sure the temperature display accurately in 0.1℃. And you are free to set the inside temperature from -40°C~-86°C.
Safety alarm system
This ultra cold freezer provides 10types of audible and visible alarms. The safety alarm system includes high or low temperature alarm,door ajar alarm, power failure alarm, condensor overheating alarm, and system failure alarm.
Exquisite structure design
Meling DW-HL678HC medical and laboratory ultra low freezer is designed with 4 independent inner doors with foaming insulation, which can ensure better temperature performance. The external material is made of high quality structure steel, while inner material is made of stainless steel. And the storage structure is designed with 3 high strengt SUS304 shelves, which is resistant to corrosion and easy to clean.
Features
- China's leading manufacturer of ultra-low temperature freezers.
- Equipped with Embraco compressor and famous Germany brand EBM fans.
- Adopted CFC-free patent hydrocarbon refrigerant for fast refrigeration and ensuring environment friendly.
- PT-100 platinum resistance sensors for sensitively detecting the temperature changes.
- Lockable keyboard and password protected to prevent from adjusting parameters without authorizing.
- Equipped with VIP Plus vacuum insulation panel in 130mm foaming insulation to ensure the stability of temperature.
- Designed with lockable front door with full height handle to prevent from unauthorized access.
- For safe storage, it allows machine startup delay and power off protection.
- For the casters, it is fitted with 4 PCS casters and 2 leveling feet for easy moving.
- The optional configurations are warning lamp, smart temperature monitor system, temperature recorder, and CO2 back-up system.
- Certificate: CE certificate, ISO9001, ISO14001,ISO13485.
DW-HL398HC/DW-HL528HC/DW-HL678HC/778HC/858HC/1008H with twin-compressor, if one is damaged, the other one could keep the temperture at -70℃ stably
Scope of Application
This HC ultra low temperature freezer can be used as laboratory freezer, ultra low medical freezer and deep freezer ,suitable for applying in hospitals, health and disease prevention systems, colleges and universities, research institutions, the electronic industry, laboratories in colleges & universities, biological engineering, and more.
Specifications
-86℃ HC Ultra-low Temperature Freezer | |
Model | DW-HL678HC |
Cabinet Type | Upright |
Capacity(L) | 678 |
Internal Size(W*D*H)mm | 750*696*1286 |
External Size(W*D*H)mm | 1090*1025*1955 |
Package Size(W*D*H)mm | 1203*1155*2171 |
NW/GW(Kgs) | 330/423 |
Performance | |
Temperature Range | -40~-86℃ |
Ambient Temperature | 16-32℃ |
Cooling Performance | -86℃ |
Climate Class | N |
Controller | Microprocessor |
Display | Touch screen |
Refrigeration | |
Compressor | 2pcs |
Cooling Method | Direct Cooling |
Defrost Mode | Manual |
Refrigerant | HC |
Insulation Thickness(mm) | 130 |
Construction | |
External Material | Cold rolled steel sheet |
Inner Material | Galvanized steel sheet/Stainless steel |
Shelves | 3(stainless steel) |
Door Lock with Key | Yes |
External Lock | Yes |
Access Port | 3pcs. Ø 25 mm |
Casters | 4+(2 leveling feet) |
Data Logging/Interval/Recording Time | USB/Record every 1 minutes / 365days |
Backup Battery | Yes |
Alarm | |
Temperature | High/Low temperature,High ambient temperature |
Electrical | Power failure |
System | Sensor failure,Main board communication error,Condenser overheating alarm,Door ajar,System failure |
Accessories | |
Standard | Remote alarm contact |
Options | Chart recorder, CO2 backup system |
Dimensions


Vaccine Cold Room
Overview
Vaccine cold storage is to store all kinds of vaccines that cannot be stored at room temperature. Under low-temperature refrigeration conditions, the effectiveness of all kinds of vaccines is kept unchanged, and the unsuitable storage temperature can prevent vaccines from failing and endangering people's health.
Refrigerating System
Adopt one-use one-backup or mutual backup refrigeration system. When a set of refrigeration system fails, it will automatically switch to the backup system through the cold storage intelligent control system. Ensure stable operation of the cold storage temperature.
Refrigeration valve
The valves for the refrigeration system adopt international famous brands such as Danfoss, Saginomiya and Emerson, with reliable and stable performance.
Electrical control
Fully automatic microcomputer controller or PLC touch screen centralized control technology, high-precision temperature sensor, large-screen digital display, set operating temperature, automatic switch machine, over-temperature and overload fault alarms, delay protection and quick start, rotation work, Automatic failover and other functions.
Features
Specifications
Name | Temperature range | Thickness | Remarks |
Polyurethane Sandwich Panel | 2℃-8℃ | ≥100mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |
Polyurethane Sandwich Panel | -20℃~-25℃ | ≥150mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |

Pharmacy Cold Room
Overview
Temperature range | |
+2℃~+20℃ | Medicines etc. |
0℃~+8℃ | Vaccines, medicines, etc. |
+2℃~+8℃ | Medicines, biological products, etc. |
+5℃~+1℃ | Blood, biological products, etc. |
-20℃~-30℃ | Plasma, biological materials, vaccines, reagents, strains, etc. |
-30℃~-80℃ | Placenta, semen, stem cells, plasma, bone marrow, biological products, etc. |
Features
Specifications
Name | Temperature range | Thickness | Remarks |
Polyurethane Sandwich Panel | ≥0℃ | ≥100mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |
Polyurethane Sandwich Panel | -15℃~-25℃ | ≥150mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |
Polyurethane Sandwich Panel | ≤-30℃ | ≥200mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |

Reagent Cold Room
•+2℃~+8℃,-20℃~-25℃
•International famous brand refrigeration system valve
•Adopt one-use one-backup or mutual backup refrigeration system
•Large-screen digital display
•Professional Reagent Cold Room
Overview
Reagent cold storage is to store all kinds of reagent products that cannot be stored at room temperature. Under low-temperature refrigeration conditions, the chemical and physical properties of various reagents are kept unchanged to ensure the accuracy of scientific research results.
Refrigerating System
Adopt one-use one-backup or mutual backup refrigeration system. When a set of refrigeration system fails, it will automatically switch to the backup system through the cold storage intelligent control system. Ensure stable operation of the cold storage temperature.
Refrigeration valve
The valves for the refrigeration system adopt international famous brands such as Danfoss, Saginomiya and Emerson, with reliable and stable performance.
Electrical control
Fully automatic microcomputer controller or PLC touch screen centralized control technology, high-precision temperature sensor, large-screen digital display, set operating temperature, automatic switch machine, over-temperature and overload fault alarms, delay protection and quick start, rotation work, Automatic failover and other functions.
Features
Specifications
Name | Temperature range | Thickness | Remarks |
Polyurethane Sandwich Panel | 2℃-8℃ | ≥100mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |
Polyurethane Sandwich Panel | -20℃~-25℃ | ≥150mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |

Plasma And Blood Bank Cold Room
Overview
Features
Product | Storage temperature | Shelf life |
Whole blood and red fine preparations | +4℃±2℃ | ACD: 21 days |
Wash red blood cells (WBC) | +4℃±2℃ | 24 days |
Manual separation of platelet concentrate (PC-1) | +22℃±2℃ | 5 days (light shaking) (preparation of special bag) or 22 hours (ordinary bag) |
Machine apheresis platelet concentrate (PC-2) | +22℃±2℃ | 5 days (light shaking) (preparation of special bag) or 22 hours (ordinary bag) |
Machine apheresis concentrated leukocyte suspension (GRANs) | +22℃±2℃ | Infusion within 24 hours |
Concentrated granulocytes | +22℃±2℃ | 24 hours |
Fresh frozen plasma | ≤-30℃ | 1 year |
Cryogenic frozen red blood cells | ≤-65℃ | 10 years, infusion within 24 hours after thawing |
Concentrated red blood cells (CRC) | +4℃±2℃ | ACD: 21 days, CPD: 28 days, CPDA: 35 days |
Low white blood cell red blood cell (LPRC) | +4℃±2℃ | Same as the ABO blood type of the recipient |
Red blood cell suspension (CRC3) | +4℃±2℃ | ACD: 21 days, CPD: 28 days, CPDA: 35 days |
Fresh frozen plasma (FFP) | ≤-20℃ | Less than one year |
Cryoprecipitation (RPYO) | ≤-20℃ | Less than one year |
Specifications
Name | Temperature range | Thickness | Remarks |
Polyurethane Sandwich Panel | ≥0℃ | ≥100mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |
Polyurethane Sandwich Panel | -15℃~-25℃ | ≥150mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |
Polyurethane Sandwich Panel | ≤-30℃ | ≥200mm | The panel adopts double-sided color steel, inner stainless steel, color steel plate, double-sided stainless steel |

Storage &Preservation of COVID-19 vaccines:
Vaccines | Type | Storage Temp(℃) | Shelf life | ApplicableMeling products | |
Pfizer | mRNA | -70 | 6 months | -40℃~-86℃ ultra-low temperature freezer | - |
Modena | mRNA | -20 | 6 months | -10℃~-25℃ biomedical freezer | 2~8°C /-10~-26°C Combined Refrigerator & Freezer |
CoronaVac | inactivated | 2~8 | 3 years | 2~8℃ pharmacy refrigerator | |
Sinopharm | inactivated | 2~8 | 3 years | 2~8℃ pharmacy | |
Ad5-nCoV | adenovirus vector | 2~8 | - | 2~8℃ pharmacy |
Storage &Preservation of some common vaccines:
Vaccines | Storage Temp(℃) | ApplicableMeling products |
Freeze Dried Bacillus Calmelle-Guerin Vaccine | 2~10 | 2~8℃ pharmacy refrigerator |
Poliomyelitis Vaccine | -20(2 years) | -10℃~-25℃ biomedical freezer |
4~8(5 months) | 2~8℃ pharmacy refrigerator | |
Freeze Dried Measles Vaccine | -20(1 years) | -10℃~-25℃ biomedical freezer |
2~8(8 months) | 2~8℃ pharmacy refrigerator | |
Freeze-dried mumps vaccine | 2~8 | 2~8℃ pharmacy refrigerator |
DPT | 2~10 | 2~8℃ pharmacy refrigerator |
Japanese Encephalitis Vaccine,Live | 2~8 | 2~8℃ pharmacy refrigerator |
Meningococcal polysaccharide accine | 2~8 | 2~8℃ pharmacy refrigerator |
Hepatitis B vaccine | 2~10 | 2~8℃ pharmacy refrigerator |
Hepatitis A Vaccine | -20 | -10℃~-25℃ biomedical freezer |
Hepatitis A Vaccine(US) | 2~8 | 2~8℃ pharmacy refrigerator |
Varicella Vaccine | 2~8 | 2~8℃ pharmacy refrigerator |
Rabies vaccine | 2~10 | 2~8℃ pharmacy refrigerator |
Rubella Attenuated Live Vaccine | 2~8 | 2~8℃ pharmacy refrigerator |