Ning Quan (NQ)-Tech
IQF Air Blast Quick Freezing Tunnel
Linear IQF Tunnel Freezer, Spiral IQF Tunnel Freezer, Bed Fludizized Tunnel Freezer…Mainly used for quick freezing of food. The control method of touch screen + PLC is adopted to monitor the temperature change in the box in real time. After the parameters are set, the equipment can run automatically.
Air Blast Refrigerating Tunnel Freezer
Refrigerating Unit BITZER Compressor
UNIT COOLER SYSTEM
NQ-Original Bezier compressor, suitable for refrigerating warehouses of vegetables, fruits, meat, seafood, etc.We offer horsepower from 3HP to 50HP.Cooling capacity varies with horsepower.


Introduction of Refrigeration System
Wide operating range, LT and MT from -40℃ to +5℃ evaporating temperature, Same unit for either MT or LT cold room application
Reduce inventory for distributors and contractors. New Ecoline series semi-hermetic compressor COP is 12% up than old model
Suit for R404a and R407F refrigerant.
protection modules including the following: phase loss protector, inverted sequence over voltage protector, undervoltage protector, oil pressure, high pressure, low pressure, motor overload.
Highly efficient oil separating system, when power is on it’s not need to add lubricate oil, the standard provides oil heater (for screw unit), oil temperature controller (for screw unit) and oil level switch (for screw unit), etc. Can protect the function.
It has a unique low environment condensing pressure monitor system which guarantees the stable functioning when there is a low ambient temperature, lack of oil feeding or oil flow warning.
Main Features and Our Advantages
1. Compact structure and light weight to save occupied area.
2. Low noise and stable operating.
3. High efficiency and energy saving.
4. Antioxidant aluminum foil adopted to extend its lifetime.
5. Dust proof screen window used to protect the machine.
6. Protective board adopted on the two sides to protect the copper tubes from damaging.
7. Additional base for easy installation.





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Frequently Asked Questions
Yes, we have our own manufacture, we produce machine by ourselves. But we also have downstream parts supplier, buy famous brand parts to our factory and get all done, assemble, welding, install and test run.
Our factory located in Dalian, also have branch factory located in Shanghai, Shenyang, Taizhou, FanGang. Founders participate in cooperative construction on branch factories.
Including diary processing machines, ice cream processing machines, juice processing machines, aseptic filling machines, IQF tunnel freezer, compressor and other related equipment, like wrapping boxing machine.
All machines are personalized customization proposal, will be manufactured by client order, delivery time is based on actual production schedule, roughly around 45 ~85 days, within 2~3 months.
Small machines will be packed by wooden case and delivered by sea container; big machines will be wrapped by pallet wrap and iron wire reinforced in the container by shipment. Also for some inland country, we can deliver by train or truck by road.
We will provide installation guide in English, photos and videos to show how to install and run the simple machines. All piping and connection will be mark in sign and easy to understand. If necessary, we can also send experienced engineers go abroad to client’s place to help and guide installation.
All our machines parts provide 1 year quality guarantee, and option low cost spare parts for 2~3 years more with the machine delivery.
Surely, welcome visit us, we will be waiting for your come.
