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Zhejiang Yinjia Copper Co., Ltd.
was set up in 2004.

Yinjia was established in 2004 with a registered capital of 55.6 million Yuan, located in the southeast of Zhejiang Province, China, 80KM from Hangzhou and 70KM from Ningbo, our factory covers an area of 24,000 square meters and has 240 manufacturing staff. We have also obtained the "Copper Pipe Production License" issued by the General Administration of Quality Supervision and Inspection of China and passed the ISO9001:2008 international quality management system certification.

As China Air Conditioning Mufflers Manufacturers and Factory, Yinjia specializes in the production of precision purple copper tubes, purple copper pipeline components and steel pipe pipeline components. The main products are: copper pipe assemblies, connecting pipes, bellows, silencers, four-way valve pipe assemblies for air conditioners, suction and discharge pipes applied to compressors, high-efficiency copper pipes for heat exchangers, etc. The products we produce are widely used in the air conditioning, refrigeration and heat exchanger industries and are well evaluated by our customers.

In 2014, Yinjia's sales of copper materials reached 1500 tons, and the output of products reached 80 million pieces, with an output value of 28,000,000 RMB. The company takes the market as the guide and strengthens the internal management, reform and innovation, implements 6S management, lean production, constantly restructuring, and improves the quality of products and services. Supply Air Conditioning Muffler Custom

With the tenet of "customer first, quality first", the company is dedicated to providing customers with satisfactory products and considerate services.
  • 24,000

    Plant area

  • 150

    Manufacturing staff

  • 230+


  • 300,000

    Daily output



  • ISO 9001:2015

  • ISO 9001:2015

  • Invention Patent Certification

  • High and New Technology Enterprise Certification

Industry knowledge
What is an air conditioner muffler
An air conditioner muffler, also known as a refrigerant muffler or simply a muffler, is a component used in HVAC (Heating, Ventilation, and Air Conditioning) systems to reduce noise and vibration generated by the movement of refrigerant within the system. Its primary function is to dampen the noise produced during the operation of various HVAC equipment, such as compressors and heat exchangers.
what is air conditioner muffler primary function in HVAC systems?
Noise Reduction: The primary function of an air conditioner muffler is to reduce the noise generated by the flow of refrigerant, typically in the suction and discharge lines of the system. This noise reduction is essential for maintaining a comfortable and quiet indoor environment, especially in residential and commercial settings.
Vibration Damping: In addition to reducing noise, mufflers also help dampen the vibrations generated by the HVAC system. Vibrations can not only be noisy but can also lead to structural damage or discomfort.
Pressure Equalization: Mufflers can assist in maintaining pressure equalization within the system, which is important for proper operation and efficiency. They can help prevent pressure surges and fluctuations that could potentially harm the equipment.
Enhanced Efficiency: By reducing noise and vibration, mufflers contribute to the overall efficiency of the HVAC system. Excessive noise and vibration can affect the performance and lifespan of the equipment.
Comfort: Mufflers play a crucial role in creating a comfortable indoor environment by minimizing the disruptive noise associated with HVAC system operation, especially in residential spaces.
Extended Equipment Life: By reducing vibration and the potential for wear and tear on system components, mufflers can contribute to an extended service life for HVAC equipment.
Mufflers for air conditioners are available in various designs and sizes, and their effectiveness in noise reduction depends on factors like the specific application, refrigerant type, and the equipment they are installed in. They are commonly found in air conditioning and refrigeration systems, including window air conditioners, split-system air conditioners, and central HVAC systems. Properly designed and installed mufflers are essential for maintaining a quiet, efficient, and comfortable indoor environment.
Features of air conditioner mufflers
Noise Reduction: One of the primary functions of air conditioner mufflers is to reduce the noise generated by the flow of refrigerant within the system. Air conditioners can produce various types of noise, such as hissing, gurgling, or rattling, as the refrigerant circulates through the system. Mufflers help dampen these noises, providing a quieter and more comfortable indoor environment for occupants.
Improved Acoustic Comfort: Excessive noise from air conditioning systems can be annoying and disruptive, affecting the overall comfort and ambiance of a room or building. By reducing noise levels, mufflers contribute to better acoustic comfort, creating a more pleasant living or working environment for occupants.
Vibration Damping: Air conditioning systems can also generate vibrations due to the movement of refrigerant and other components. Mufflers help absorb and dampen these vibrations, preventing them from transmitting through the system and causing potential damage or discomfort.

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