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Refrigerator oil manufacturers, operating various types such as:
POE, PAG, PAO and other refrigerator oil, can OEM
Refrigerator oil manufacturers, operating various types such as:
POE, PAG, PAO and other refrigerator oil, can OEM
Niubortec Lubrication Technology integrates product research and development, production, sales and after-sales service. It has strong technical force and professional sales team, and has a variety of specifications of packaging to meet your various on-site needs. We have in-depth cooperation with many well-known compressor factories and refrigeration lubricant manufacturers. Many products have been synchronized with the international frontier, and some of the technologies in high-end products are equivalent to the technical level of star products of many multinational companies.
About us
Refrigeration oil
Refrigeration oil
suitable for the next generation of environmental protection refrigerant R22, R134, R407 refrigerant system compressor.
$6
Refrigerant
Learn MoreRefrigerant
POE Refrigeration oil
POE Refrigeration oil
$66
Industrial oil
Learn MoreIndustrial oil
适用于-45℃至-150℃的超低温医疗和工业设备
$986
Functions such as energy transmission, system lubrication, corrosion prevention, rust prevention, and cooling.
适用于各种HFC制冷剂（如R134a、R1234YF、R404a、R407c、R507、R410a等）和HCFC制冷剂（如R22、R23、R32等）的应用场景。
$336
2000+
2000+
Shop side
Shop side
2000 + HVAC accessories store chain provides customers with full-format information resources and technical services
我们的优势
我们的优势
生产主要类别
生产主要类别
一个优秀的团队
一个优秀的团队
认证
认证
先进技术
先进技术
A specialized group company integrating refrigeration compressor lubricants, synthetic esters, additives, transformer oil production, consulting and services
Niubortec Lubricant Technology Research and Development Center has a senior R&D team, advanced R&D equipment, and a sound technical service guarantee system to meet the high industry standards and diversified product needs.
公司已获得ISO9001、ISO14001和ISO45001体系认证，并符合REACH欧盟化学管理体系认证、RoHS欧盟环保认证及NSF国际食品安全认证。
Focusing on the lubrication needs of new refrigerant equipment, the product uses plant-based biodegradable materials to meet special performance specification requirements, and has in-depth cooperation with many well-known enterprises.
Company News
PAG Synthetic Refrigeration OilPositive Effects: It has a high viscosity index with slight viscosity variation under high and low temperatures, as well as outstanding high-temperature oxidation and cracking resistance. It is widely applied to reciprocating compressors for high-tem
Created on 06.18
POE Synthetic Refrigeration Oil (Mainly Compatible with R134a/R407C/R410A, etc.)Positive Effects: It has excellent low-temperature fluidity to guarantee smooth oil supply for low-temperature units and normal operation of reciprocating mechanisms. It mixes well with environmentally friendly refrigerants to maintain stable heat tr
Created on 06.17
Mineral Refrigeration Oil (Compatible with R22)Positive Effects: It forms high-strength oil films with excellent lubrication and sealing performance. It effectively reduces wear on piston rings, cylinder walls and valve plates, lowers internal leakage and improves the volumetric efficiency of the
Created on 06.16
The Impact of Different Types of Refrigeration Machine Oil on the Performance of Piston-Type Refrigeration CompressorsDifferent types of refrigeration oil affect the performance of reciprocating refrigeration compressors in terms of lubrication, sealing, heat transfer, operational stability and service life. Mineral oil features good compatibility with traditional r
Created on 06.15
Differences in Selection of Air Conditioner Refrigerant Oil for Different Machine ModelsAir conditioners of different models require distinct specifications of refrigeration oil, mainly determined by compressor structure and refrigerant type. Residential scroll compressors for split AC use R410A or R32 refrigerant and require POE synthet
Created on 06.05
How to determine if the air conditioner compressor needs to add refrigerating oilIt is improper to add refrigeration oil arbitrarily based on experience. Four signs help confirm oil replenishment. First, abnormal knocking noise from the compressor due to insufficient lubrication. Second, low oil level below the minimum scale on t
Created on 06.04
Compressor refrigerant oil is not more durable when added in larger quantities.Many people mistakenly believe that the more refrigeration oil added to a compressor, the better the lubrication and the longer the equipment service life. This is a wrong concept. The core functions of refrigeration oil are lubrication, heat dissipa
Created on 06.03
What is the difference between refrigeration and heating?The core difference between refrigeration and heating lies in the direction of heat transfer. Both rely on the heat pump principle (for equipment such as air conditioners and heat pump water heaters) or energy conversion to meet different temperature requirements.
Created on 05.18
Key Notes on Refrigeration Oil Selection for Reciprocating Refrigeration CompressorsKey Guidelines for Selecting Refrigeration Oils for Reciprocating Piston Refrigeration Compressors
When selecting refrigeration oil for reciprocating piston refrigeration compressors, the type of refrigerant must be the primary basis for matching th
Created on 05.15
What should I do if the compressor makes no noise?The compressor is silent.
First, check the voltage: The voltage supplying the compressor should be around 220V (with an error margin not exceeding 10%, i.e., 198-242V). If the voltage is normal but the compressor shows no vibration and no humming ex
Created on 05.14
Why does the air-conditioner condenser have wrinkles?Have you ever noticed the condenser of an air-conditioner? It has a lot of wrinkles, and this is not for appearance but for practical reasons.
The main job of the condenser is to turn gaseous refrigerant into liquid. During this process, a large am
Created on 05.12
What are the requirements for the flash point of refrigeration oil?As we all know, refrigeration oil plays a crucial role in the refrigeration system, and the indicator of flash point cannot be ignored. The flash point of refrigeration oil must be higher than the exhaust temperature of the compressor. For example, f
Created on 05.09
Comparison Table of 5 Major Fault Symptoms Caused by Refrigerant Shortage (Lack of Fluorine) (Directly Usable for Maintenance)I. Slight Refrigerant Shortage
Suction Temperature: On the high side with high superheat
Discharge Temperature: Significantly high
High Pressure: Slightly low
Low Pressure: Low
Frosting Condition: No frost on the rear half of the evaporator, no frost
Created on 05.07
How long is the typical service life of PAG synthetic oil?The service life of PAG synthetic oil in compressors is generally 8,000–12,000 hours under normal operating conditions, equivalent to 3–5 years of service.
Under severe working conditions such as high temperature and heavy gas dilution, the service l
Created on 04.28
Acid Value: The Invisible Benchmark of Refrigeration Oil Quality and the Protective Barrier for Equipment LifespanAcid Value: The Invisible Benchmark of Refrigeration Oil Quality and the Protective Barrier for Equipment Lifespan
In refrigeration systems, the acid value of refrigeration oil is by no means an ordinary test data, but a core indicator directly
Created on 03.26
Core Hazards of Excessive Lubricant ViscosityCore Hazards of Excessive Lubricant Viscosity
In refrigeration equipment such as compressors, excessively high lubricant viscosity does not mean more thorough lubrication; instead, it causes multiple hazards that severely impact equipment operation
Created on 03.23
Viscosity: A Key Performance Index of Lubricating OilViscosity: A Key Performance Index of Lubricating Oil
Viscosity is a major performance index of lubricating oil. Different refrigerants have different requirements for viscosity. For example, R12 is miscible with lubricating oil, which will reduce th
Created on 03.20
Condenser Copper Tube Scaling — A One-Minute Troubleshooting GuideCondenser Copper Tube Scaling — A One-Minute Troubleshooting Guide
The condenser is the 'heat dissipation core' of the refrigeration system. The internal copper tubes are responsible for transferring heat. Once scaling occurs due to water quality or
Created on 03.19
Can I Use Any Type of Refrigeration Oil?Can I Use Any Type of Refrigeration Oil?
Many people wonder if they can use just any refrigeration oil for their cooling systems, but the answer is clearly no.
Refrigeration oils are not universal. Different systems require specific oils matched to t
Created on 03.17
Why is refrigeration oil important?Why Is Refrigeration Oil Important?
Refrigeration oil is a vital component for cooling systems like refrigerators, air conditioners, and freezers. It plays several key roles to keep machines running smoothly.
First, it lubricates moving parts in the c
Created on 03.16
Compressor Component Wear / Seal Failure — A One-Minute Troubleshooting GuideCompressor Component Wear / Seal Failure — A One-Minute Troubleshooting Guide
The compressor is the 'heart' of the refrigeration system, relying on the operation of internal components and sealing performance to ensure the circulation of refrigerant.
Created on 01.30
Evaporator Fan Failure — A One-Minute Troubleshooting GuideEvaporator Fan Failure — A One-Minute Troubleshooting Guide
The evaporator fan is the 'power fan' for heat exchange, driving air flow to help the evaporator dissipate heat. If the fan fails to rotate or runs slowly, the evaporator cannot release heat
Created on 01.28
Evaporator Frosting/Icing — A One-Minute Troubleshooting and Handling GuideEvaporator Frosting/Icing — A One-Minute Troubleshooting and Handling Guide
The evaporator is the 'radiator' of the refrigeration system, responsible for transferring heat from the cold storage to the refrigerant. If the frost layer exceeds 3 millimeters...
Created on 01.27
Internal System Blockage — One-Minute Judgment MethodInternal System Blockage — One-Minute Judgment Method
Once the refrigeration system is internally blocked, the refrigerant will not be able to flow. The pressure and temperature in front of the blockage point are high, while the pressure and temper
Created on 01.26
Thermal Expansion Valve Adjustment Failure or Blockage — A One-Minute Troubleshooting GuideThermal Expansion Valve Adjustment Failure or Blockage — A One-Minute Troubleshooting Guide
The thermal expansion valve is the system's 'flow switch', responsible for supplying refrigerant to the evaporator. If it is too small or blocked, there will be
Created on 01.23
What refrigerant, when present in excess, causes a reduction in discharge superheat?What refrigerant, when present in excess, causes a reduction in discharge superheat?
Contrary to insufficient refrigerant, when the system is overcharged or the throttling device supplies too much fluid, the liquid refrigerant in the evaporator canno
Created on 01.21
How Often Should Refrigeration Oil Be Changed?There is no uniform and fixed standard for the replacement cycle of refrigeration oil. The core principle is to determine the replacement time based on equipment type, operating conditions, and oil quality test results. Here are the details by category.
Created on 01.20
The main cause of ice blockage before the expansion valveIce blockage before the expansion valve is one of the most common and troublesome problems of insufficient liquid supply in refrigeration systems. Once ice blockage occurs, the refrigerant cannot be supplied, the evaporator will be underfed, and th
Created on 01.14
Reducing the Heat Exchange Efficiency of Heat ExchangersReducing the Heat Exchange Efficiency of Heat Exchangers
The thermal conductivity of lubricating oil is much lower than that of refrigerants (the thermal conductivity of common refrigeration oils is only 1/10 to 1/20 of that of refrigerants such as R
Created on 01.12
Common Reasons Why an Air Conditioner Fails to Heat CompletelyCommon Reasons Why an Air Conditioner Fails to Heat Completely
An air conditioner that fails to heat completely is often related to mode settings, hardware malfunctions, or environmental factors.
First, incorrect mode selection is the most basic caus
Created on 01.04
The Critical Impact of Refrigeration Oil Viscosity on Compressor OperationRefrigeration oil is a core lubricating medium for refrigeration compressors. It must work stably under two extreme conditions: the low-temperature evaporation end at approximately -40℃ and the high-temperature compression end above 100℃. Its viscosity
Created on 2025.12.26
Key Factors for Refrigeration Oil SelectionChoosing refrigeration oil is much like finding the right partner—compatibility matters more than just initial fit. Due to varying compressor operating conditions and refrigerants, the selection of refrigeration oil must be tailored to specific equipment.
Created on 2025.12.25
Reciprocating Compressors: Basics, Oil Selection and Refueling TipsReciprocating Compressors: Basics, Oil Selection and Refueling Tips
The reciprocating compressor is a classic positive displacement compressor, widely used in household refrigerators, refrigerated display cabinets and other equipment.
It has obvious
Created on 2025.12.23
Troubleshooting and Handling of Excessive Vibration and Noise of RefrigeratorsDuring the daily use of a refrigerator, you may encounter such a problem: when the refrigerator starts, it will produce relatively obvious excessive vibration and noise, which affects the user experience.
There are several common reasons for this kind
Created on 2025.12.22
Troubleshooting of Frosting / Local Freezing Faults in Refrigeration EquipmentTroubleshooting of Frosting / Local Freezing Faults in Refrigeration Equipment
During the operation of refrigeration equipment, we often encounter such a situation: the equipment can refrigerate normally at the beginning, but after a period of operation
Created on 2025.12.19
What to do if the compressor makes no noise?What to do if the compressor makes no noise?
First, check the voltage: The voltage supplied to the compressor should be around 220V (with an error not exceeding 10%, i.e., 198-242V). If the voltage is normal but the compressor shows no vibration and
Created on 2025.12.18
Training Topic: Classification and Market Share of Refrigeration Oil Base OilsThe base oil of refrigeration oil is the core raw material that determines its performance. Currently, in the global refrigeration market, refrigeration oil base oils are mainly divided into 4 categories, with their respective market shares and characteristics.
Created on 2025.12.17
What is the core function of refrigeration oil?Dear colleagues, let's first clarify a key question - refrigeration oil may seem insignificant, but why is it the soulmate of the refrigeration system? It boils down to 4 core functions. Remember these points well, and you'll avoid mistakes when se
Created on 2025.12.16
Refrigeration Oil and Working Principles of Positive Displacement Refrigeration CompressorsRefrigeration oil is a special lubricating oil for refrigeration compression equipment, and it is an important component that determines and affects the refrigeration function and effect of the refrigeration system. During the operation of the refrigeration
Created on 2025.12.15
Key Adjustments for Refrigeration Systems When Replacing R12 with R134aThe thermodynamic properties of R134a are similar to those of R12, but their physical properties differ. Therefore, corresponding adjustments to the refrigeration system are required when using R134a as a substitute for R12. In terms of differences i
Created on 2025.12.12
The Impact of Discharge Temperature Characteristics of Different Refrigerants on System DesignUnder the same operating conditions, the order of discharge temperatures of R717, R22, and R134a from low to high is R134a < R22 < R717. This characteristic is of great significance for refrigerant selection and system design optimization. Discharge
Created on 2025.12.11
The Essence of Refrigeration: The Non-Spontaneous Realization of Reverse Heat TransferRefrigeration is essentially a reverse heat transfer process, meaning the transfer of heat from a low-temperature region to a high-temperature region. In natural conditions, heat always follows the second law of thermodynamics, transferring from high
Created on 2025.12.08
The Impact of Lubricating Oil Viscosity on the Operating Performance of Refrigeration Compressors and Data-Driven AnalysisThe viscosity parameter of lubricating oil directly affects the operational stability, refrigeration efficiency, and equipment lifespan of refrigeration compressors. Both excessively high and low viscosity can lead to specific issues, and the impact
Created on 2025.12.05
What are the commonly used refrigerant models?First, for automotive air conditioners, in the past, R12 (methyl chlorofluoride) was mainly used, which is a chlorine-containing refrigerant. It has now been converted to R134A (tetrafluoroethane), which has characteristics such as no destruction of
Created on 2025.12.03
What has changed in the corresponding refrigerator oil?In the past, the corresponding R12 and R22 refrigerants were all mineral oil; Now car air conditioners use PAG synthetic oil; PVE and POE synthetic oil for our household air conditioners; It is possible to develop higher grade synthetic oils in the future.
Created on 2025.12.02
Key Points for Selecting Lubricating OilDifferent types of lubricating oils have distinct physicochemical properties, and this difference leads to variations in the quality of compressor lubricating oils. Currently, synthetic compressor lubricating oils are generally considered superior to
Created on 2025.12.01
What causes the refrigerant liquid level in the evaporator to be too high?When the refrigerant level in the evaporator is too high, it may cause the compressor to liquid refrigerant (i.e., liquid carryover in the compressor). This situation can lead to a decrease in the compressor's oil level. Specific causes include:
◦ E
Created on 2025.11.15
Introduction to Compressor Cooling MethodsOil Injection Cooling: The oil injection cooling method is used in small screw compressors as an improvement over the water-cooled or air-cooled methods employed by oil-free screw compressors, which can lead to uneven cooling. By injecting lubricating
Created on 2025.11.03
How often does a compressor need an oil change?This depends on various factors, such as the type of compressor, operating conditions, and the quality of the oil. However, the lifespan of the lubricating oil mainly depends on the operating environment of the compressor. Under normal circumstances,
Created on 2025.10.22
Classification and brands of refrigeration oilAt present, the refrigeration oil market is generally dominated by mineral oil, POE synthetic oil, and polyalpha olefins. Among them, POE synthetic refrigeration oil brands are currently mainly Ice Bear, CPI, Bitzer, York, Castrol, Carrier, and Firth
Created on 2025.10.09
What is refrigeration oilRefrigeration oil is a lubricant used in refrigeration equipment, featuring excellent lubricity, compatibility with cooling media, low-temperature fluidity, and stability. The formulation and properties of refrigeration oil can be adjusted based on d
Created on 2025.07.21
We are committed to excellence in everything we do and look forward to working with you!
We are committed to excellence in everything we do and look forward to working with you!
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+86 18620402580
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yand28655@gmail.com
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Foshan City Chancheng District Xiyue industrial zone 4 row 2,China
Foshan City Chancheng District Xiyue industrial zone 4 row 2,China
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+86 159 2831 3957
+86 159 2831 3957