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China manufacturer Chinese CHINAMFG Professional Factory Price Intelligent PLC Control High Quality Electric Motor Powered Direct Screw Air Compressor with CE and ISO Certification with Hot selling

Product Description

BEEST—-AIR COMPRESSOR&SOLUTION

Moair Energy Conservation Durable Two Stage Screw Air Compressor with Double Permanent Magnet Motor

1. Company background

ZheJiang CHINAMFG International Trade Co., Ltd. is the senior partner of HangZhou CHINAMFG Compressor Co., Ltd , we are committed to the sales and after-sales service of air compressors in Southeast Asia, and have stores in Indonesia.
We are the professional manufacturer of the air compressor products of various types including the permanent-magnet synchronous variable-frequency series,permanent-magnet synchronous low-pressure series,permanent-magnet sunchronous two-stage compressors series,etc.
More than 10 years of professional screw compressors manufacturing technology,bringing the international first-class permanent magnet synchronous drive and control technologies.

2. Product introduction

Our MSE series rotary variable speed screw air compressor can meet the various needs of customers no matter the application.

The MSE series rotary screw air compressor has the advantage of compact structure, low noise and energy-efficiency. These units are widely used in machinery, light industry, textile, food production and handling, petroleum, chemical industry, metallurgy, mining, electric power, urban construction, medical research and other industrial applications.

3.Core components

Permanent Magnet Motor
 

  • PM motor and male rotor are directly connected on 1 shaft, without transmission efficiency loss 
  • High motor efficiency
  • With the design combination of high performance permanent magnet and special rotor structure, our PM motor’s efficiency is 30% greater compared to induction motors of the same size.
  • The PM motor has an independent air-cooled cooling system, no need for additional cooling systems.
  • The stator of the motor uses a corona-resistant enameled wire which is specially designed for frequency converters, and features excellent insulating properties and a long service life.
  • The PM motor is designed with a special hermetically-sealed construction, which prevents leakage of lubricating oil.

       

Inovance frequency inverter
 

 

  • The Inovance frequency inverter doesn’t need to be directly connected to the power grid, enabling quick and easy installation.
  • The inovance frequency inverter has a high-speed output under the control of vectors, offering high precision under the circumstance of steady speed.
  • There is a built-in DC reactor.
  • The inovance frequency inverter has a built in braking circuit.
  • The inovance frequency inverter has a global after-sales service network.

More details

Features
 

  • The MSE series rotary screw air compressor is equipped with a permanent magnetic-synchro screw airend created by CHINAMFG independently, which can save up to 15% energy compared with common asynchronous frequency conversion screw compressors and 30% energy compared with common screw compressors.
  • With a soft starting method, the instant values of electric current when the motor starts is largely declined, which can protect the motor and other parts of the air compressor.
  • The structure of the whole machine is designed to be more compact, saving much space. Also the volume of permanent magnet synchronous motor is twice smaller than that of common motor.
  • The whole design is more reasonable for insulating the oil circuit and electrical components, which turns out to be more safe.
  • The combination hose and steel pipe reduces vibration and noise effectively
  • With high-efficiency permanent magnet, the life of permanent magnet motor is more than 15 years.
  • With intelligent display, users can watch the real time running of the unit. What’s more, simple and convenient operation will give you comfort while using it.
  • The MSE series rotary screw air compressor has a high degree of protection and we can offer you products with protection of IP23 and IP51.
  • Our products are CE certified.

 

    4.Specifications and parameters

     

    5. Principle of energy-saving
     

    • Using the technology of high-efficiency permanent magnet synchronous motor and changing traditional induction motor, we have a patented design of our product with 100% transmission efficiency.
    • Perfectly matched with converter, our air compressor can change speed automatically to keep best running state and reduce energy loss.

       

    /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

    After-sales Service: Online Service
    Warranty: One Year
    Lubrication Style: Lubricated
    Cooling System: Air Cooling
    Power Source: AC Power
    Cylinder Position: Vertical

    air compressor

    What are the differences between stationary and portable air compressors?

    Stationary and portable air compressors are two common types of air compressors with distinct features and applications. Here are the key differences between them:

    1. Mobility:

    The primary difference between stationary and portable air compressors is their mobility. Stationary air compressors are designed to be permanently installed in a fixed location, such as a workshop or a factory. They are typically larger, heavier, and not easily movable. On the other hand, portable air compressors are smaller, lighter, and equipped with handles or wheels for easy transportation. They can be moved from one location to another, making them suitable for jobsites, construction sites, and other mobile applications.

    2. Power Source:

    Another difference lies in the power source used by stationary and portable air compressors. Stationary compressors are usually powered by electricity, as they are designed for continuous operation in a fixed location with access to power outlets. They are connected to the electrical grid or have dedicated wiring. In contrast, portable compressors are available in various power options, including electric, gasoline, and diesel engines. This versatility allows them to operate in remote areas or sites without readily available electricity.

    3. Tank Capacity:

    Tank capacity is also a distinguishing factor between stationary and portable air compressors. Stationary compressors often have larger storage tanks to store compressed air for extended periods. The larger tanks enable them to deliver a continuous and steady supply of compressed air for longer durations without the need for frequent cycling. Portable compressors, due to their compact size and portability, generally have smaller tank capacities, which may be sufficient for intermittent or smaller-scale applications.

    4. Performance and Output:

    The performance and output capabilities of stationary and portable air compressors can vary. Stationary compressors are typically designed for high-volume applications that require a consistent and continuous supply of compressed air. They often have higher horsepower ratings, larger motor sizes, and higher air delivery capacities. Portable compressors, while generally offering lower horsepower and air delivery compared to their stationary counterparts, are still capable of delivering sufficient air for a range of applications, including pneumatic tools, inflation tasks, and light-duty air-powered equipment.

    5. Noise Level:

    Noise level is an important consideration when comparing stationary and portable air compressors. Stationary compressors, being larger and built for industrial or commercial settings, are often equipped with noise-reducing features such as sound insulation and vibration dampening. They are designed to operate at lower noise levels, which is crucial for maintaining a comfortable working environment. Portable compressors, while efforts are made to reduce noise, may produce higher noise levels due to their compact size and portability.

    6. Price and Cost:

    Stationary and portable air compressors also differ in terms of price and cost. Stationary compressors are generally more expensive due to their larger size, higher power output, and industrial-grade construction. They often require professional installation and may involve additional costs such as electrical wiring and system setup. Portable compressors, being smaller and more versatile, tend to have a lower upfront cost. They are suitable for individual users, contractors, and small businesses with budget constraints or flexible air supply needs.

    When selecting between stationary and portable air compressors, it is essential to consider the specific requirements of the intended application, such as mobility, power source availability, air demands, and noise considerations. Understanding these differences will help in choosing the appropriate type of air compressor for the intended use.

    air compressor

    Can air compressors be used for medical and dental applications?

    Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:

    1. Dental Tools:

    Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.

    2. Medical Devices:

    Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.

    3. Laboratory Applications:

    Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.

    4. Surgical Tools:

    In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.

    5. Sterilization and Autoclaves:

    Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.

    6. Dental Air Compressors:

    Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.

    7. Air Quality Standards:

    In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.

    8. Compliance and Regulations:

    Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.

    It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.

    air compressor

    What maintenance is required for air compressors?

    Maintaining air compressors is essential to ensure their optimal performance, longevity, and safe operation. Regular maintenance helps prevent breakdowns, improves efficiency, and reduces the risk of accidents. Here are some key maintenance tasks for air compressors:

    1. Regular Inspection: Perform visual inspections of the air compressor to identify any signs of wear, damage, or leaks. Inspect the compressor, hoses, fittings, and connections for any abnormalities. Pay attention to oil leaks, loose bolts, and worn-out components.

    2. Oil Changes: If your air compressor has an oil lubrication system, regular oil changes are crucial. Follow the manufacturer’s recommendations for the frequency of oil changes and use the recommended oil type. Dirty or degraded oil can impact compressor performance and lead to premature wear.

    3. Air Filter Cleaning or Replacement: Clean or replace the air filter regularly to ensure proper air intake and prevent contaminants from entering the compressor. Clogged or dirty filters can restrict airflow and reduce efficiency.

    4. Drain Moisture: Air compressors produce moisture as a byproduct of the compression process. Accumulated moisture in the tank can lead to rust and corrosion. Drain the moisture regularly from the tank to prevent damage. Some compressors have automatic drains, while others require manual draining.

    5. Belt Inspection and Adjustment: If your compressor has a belt-driven system, inspect the belts for signs of wear, cracks, or tension issues. Adjust or replace the belts as necessary to maintain proper tension and power transmission.

    6. Tank Inspection: Inspect the compressor tank for any signs of corrosion, dents, or structural issues. A damaged tank can be hazardous and should be repaired or replaced promptly.

    7. Valve Maintenance: Check the safety valves, pressure relief valves, and other valves regularly to ensure they are functioning correctly. Test the valves periodically to verify their proper operation.

    8. Motor and Electrical Components: Inspect the motor and electrical components for any signs of damage or overheating. Check electrical connections for tightness and ensure proper grounding.

    9. Keep the Area Clean: Maintain a clean and debris-free area around the compressor. Remove any dirt, dust, or obstructions that can hinder the compressor’s performance or cause overheating.

    10. Follow Manufacturer’s Guidelines: Always refer to the manufacturer’s manual for specific maintenance instructions and recommended service intervals for your air compressor model. They provide valuable information on maintenance tasks, lubrication requirements, and safety precautions.

    Regular maintenance is vital to keep your air compressor in optimal condition and extend its lifespan. It’s also important to note that maintenance requirements may vary depending on the type, size, and usage of the compressor. By following a comprehensive maintenance routine, you can ensure the reliable operation of your air compressor and maximize its efficiency and longevity.

    China manufacturer Chinese CHINAMFG Professional Factory Price Intelligent PLC Control High Quality Electric Motor Powered Direct Screw Air Compressor with CE and ISO Certification   with Hot sellingChina manufacturer Chinese CHINAMFG Professional Factory Price Intelligent PLC Control High Quality Electric Motor Powered Direct Screw Air Compressor with CE and ISO Certification   with Hot selling
    editor by CX 2024-02-14

    China Best Sales Direct Driven Electric Motor 20HP 15kw Rotary Screw Air Compressors best air compressor

    Product Description

    Integrated air tank air dryer screw air compressor
    Belt driven type Screw Air Compressor Specifications
    * Genuine belt to meet the demand of heavy-duty, long life and high reliability.
    * Convenient belt tensioning device makes the maintenance easy,and the transmisstion high-efficiency is ensured.
    * Provide the flexibility for the customers easily modify the working pressure if a change becomes necessary.
    * Low operation cost
    * Energy saving

     
    KP-LB Belt Drive Integrated Type Screw Air Compressor with air tank air dryer 
    Power range: 20hp ~ 600hp
    Pressure: 7-13 Bar

    * 7bar/8bar/10bar/12.5bar working pressure(discharge pressure) for your selection (for more lower pressure 4bar or 6bar, please send your inquiry )
    * Intelligent microcomputer control system, controller has the remind & record function, show the compressor operation situation clearly
    * Superior components, low maintenance cost
    * Germany OPTI belt, easy for replace, and ensure the product quality
    * Oversize air-end, low rpm, no overheat problem
    * IP54/IP55 high quality motor, SK F bearing, Class F level insulation; Class BTemperature rise; 
    * Discharge temperature= Ambient temperature+15ºC, with cooling/ventilation system tailor made to the same local hot-humid climatic condition, NO OVERHEATING ON CONTINUOUS 100% LOAD IS GUARANTEED!
    * Top door is locking design, easy to open to clean the cooler and fan 
    *Compressor is filled with lubrication oil before delivering, you can operate it after installed and powered on. Once it run 500hours to change the new air filter and oil filter was set for first maintenance, then normally change them with 2000-3000hours for once maintenance replacing new one.
    * Phase reversal protection, current overload protection, pressure protection, overheat protection

    Model No. Motor Power
    (kw)
    Power(Hp) Air delivery(m³/mim)  Working pressure(bar) Lubricant Oil  (L) Outlet Pipe Dia L*W*H(mm) N.W(KG)
    KP-LD-22 22 30 3.5 7 15 G1″ 1300×850×1220 550
    3.3 8
    3 10
    2.6 13
    KP-LD-30 30 40 5.2 7 20 G1-1/2″ 1550×950×1380 700
    5.0 8
    4.5 10
    3.8 13
    KP-LD-37 37 50 6.5 7 20 G1-1/2″ 1550×950×1380 800
    6.2 8
    5.7 10
    4.8 13
    KP-LD-45 45 60 8.0 7 20 G1-1/2″ 1550×950×1380 960
    7.5 8
    6.9 10
    6.0 13
    KP-LD-55 55 75 10.3 7 30 G2″ 1700×1100×1520 1600
    9.6 8
    8.7 10
    7.5 13
    KP-LD-75 75 100 13.5 7 35 G2″ 2100×1200×1650 1900
    12.5 8
    11.2 10
    10.0 13
    KP-LD-90 90 125 16.3 7 40 DN50 2200×1250×1650 2100
    15.9 8
    14.0 10
    12.2 13
    KP-LD-110 110 150 21.0 7 50 DN65 2500×1500×1950 3400
    20.0 8
    17.0 10
    14.8 13
    KP-LD-132 132 180 23.5 7 50 DN65 2500×1500×1950 3400
    22.5 8
    21.0 10
    18.0 13
    KP-LD-160 160 220 28.0 7 60 DN80 2600×1500×1950 4000
    26.5 8
    24.5 10
    20.3 13
    KP-LD-185 185 250 32.0 7 60 DN80 2800×1560×1920 4000
    30.0 8
    27.8 10
    24.5 13
    KP-LD-200 200 280 34.3 7 60 DN80 2800×1700×1950 4200
    32.9 8
    30.2 10
    27.2 13
    KP-LD-220 220 300 36.0 7 100 DN100 3360×2000×2000 4500
    34.2 8
    30.2 10
    27.5 13
    KP-LD-250 250 340 43.5 7 100 DN100 3360×2000×2000 4900
    41.8 8
    38.0 10
    34.5 13
    KP-LD-315 315 400 57.6 7 220 DN125 4200×2250×2275 5700
    54.5 8
    50 10
    43.4 13
    KPLD-355 355 480 64.5 7 220 DN125 4200×2250×2275 6200
    62.2 8
    56.0 10
    48.6 13

    *According to the standard of GB19153-2009     *Compressor Stage: CHINAMFG Compression
    *Standard Power Supply: 380V/50Hz/3ph           *Exhaust Temperature: Ambient Temperature +15ºC
    *Configurated normal temperature type Air dryer,with Dew Point range: 3-10ºC;
    *Please contact us for any specification that is not within the above mentioned standard.
     

    Welcome to join us !
    We Consider Our Customers as Our Friends and Families, and We do Believe in the CHINAMFG Situation for Building up Long-Term Relationship. 
    • Innovation
        Provide innovative, stable products and services.
    • Quality
        Deliver consistently superior performance and pursue every possible improvement. 
    • Agility
        Identify emerging trends and act quickly to acquire new opportunities.
    • Customer Satisfaction
        Anticipate customer needs and exceed their expectations.
    • Warranty
    Within 12 months since the customer used,or 18 months since shipped from factory, no matter which expires, we ensure that no defects for material and manufacturing.

     

      /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

    Lubrication Style: Lubricated
    Cooling System: Air Cooling
    Power Source: AC Power
    Cylinder Position: Horizontal
    Structure Type: Closed Type
    Installation Type: Stationary Type
    Samples:
    US$ 3500/Piece
    1 Piece(Min.Order)

    |
    Request Sample

    Customization:
    Available

    |

    air compressor

    What are the energy-saving technologies available for air compressors?

    There are several energy-saving technologies available for air compressors that help improve their efficiency and reduce energy consumption. These technologies aim to optimize the operation of air compressors and minimize energy losses. Here are some common energy-saving technologies used:

    1. Variable Speed Drive (VSD) Compressors:

    VSD compressors are designed to adjust the motor speed according to the compressed air demand. By varying the motor speed, these compressors can match the output to the actual air requirement, resulting in energy savings. VSD compressors are particularly effective in applications with varying air demands, as they can operate at lower speeds during periods of lower demand, reducing energy consumption.

    2. Energy-Efficient Motors:

    The use of energy-efficient motors in air compressors can contribute to energy savings. High-efficiency motors, such as those with premium efficiency ratings, are designed to minimize energy losses and operate more efficiently than standard motors. By using energy-efficient motors, air compressors can reduce energy consumption and achieve higher overall system efficiency.

    3. Heat Recovery Systems:

    Air compressors generate a significant amount of heat during operation. Heat recovery systems capture and utilize this wasted heat for other purposes, such as space heating, water heating, or preheating process air or water. By recovering and utilizing the heat, air compressors can provide additional energy savings and improve overall system efficiency.

    4. Air Receiver Tanks:

    Air receiver tanks are used to store compressed air and provide a buffer during periods of fluctuating demand. By using appropriately sized air receiver tanks, the compressed air system can operate more efficiently. The tanks help reduce the number of starts and stops of the air compressor, allowing it to run at full load for longer periods, which is more energy-efficient than frequent cycling.

    5. System Control and Automation:

    Implementing advanced control and automation systems can optimize the operation of air compressors. These systems monitor and adjust the compressed air system based on demand, ensuring that only the required amount of air is produced. By maintaining optimal system pressure, minimizing leaks, and reducing unnecessary air production, control and automation systems help achieve energy savings.

    6. Leak Detection and Repair:

    Air leaks in compressed air systems can lead to significant energy losses. Regular leak detection and repair programs help identify and fix air leaks promptly. By minimizing air leakage, the demand on the air compressor is reduced, resulting in energy savings. Utilizing ultrasonic leak detection devices can help locate and repair leaks more efficiently.

    7. System Optimization and Maintenance:

    Proper system optimization and routine maintenance are essential for energy savings in air compressors. This includes regular cleaning and replacement of air filters, optimizing air pressure settings, ensuring proper lubrication, and conducting preventive maintenance to keep the system running at peak efficiency.

    By implementing these energy-saving technologies and practices, air compressor systems can achieve significant energy efficiency improvements, reduce operational costs, and minimize environmental impact.

    air compressor

    How are air compressors employed in the mining industry?

    Air compressors play a crucial role in the mining industry, providing reliable and efficient power for various mining operations. Here are some common applications of air compressors in mining:

    1. Exploration and Drilling:

    Air compressors are used during exploration and drilling activities in the mining industry. Compressed air is used to power drilling rigs, pneumatic hammers, and other drilling equipment. The high-pressure air generated by the compressor helps in drilling boreholes, extracting core samples, and exploring potential mineral deposits.

    2. Ventilation and Air Quality Control:

    Air compressors are employed in underground mining to provide ventilation and control air quality. Compressed air is used to operate ventilation fans and air circulation systems, ensuring adequate airflow and removing harmful gases, dust, and fumes from the mining tunnels and work areas.

    3. Material Conveyance:

    In mining operations, air compressors are used for material conveyance. Pneumatic systems powered by air compressors are utilized to transport materials such as coal, ore, and other minerals. Compressed air is used to operate pneumatic conveyors, pumps, and material handling equipment, allowing for efficient and controlled movement of bulk materials.

    4. Dust Suppression:

    Air compressors are employed for dust suppression in mining areas. Compressed air is used to spray water or other suppressants to control dust generated during mining activities. This helps in maintaining a safe and healthy work environment, reducing the risks associated with dust inhalation and improving visibility.

    5. Instrumentation and Control:

    Air compressors are used for instrumentation and control purposes in mining operations. Compressed air is utilized to power pneumatic control systems, control valves, and actuators. These systems regulate the flow of fluids, control equipment movements, and ensure the proper functioning of various mining processes.

    6. Explosive Applications:

    In mining, air compressors are used for explosive applications. Compressed air is employed to power pneumatic tools used for rock fragmentation, such as rock drills and pneumatic breakers. The controlled power of compressed air enables safe and efficient rock breaking without the need for traditional explosives.

    7. Maintenance and Repair:

    Air compressors are essential for maintenance and repair activities in the mining industry. Compressed air is used for cleaning machinery, removing debris, and powering pneumatic tools for equipment maintenance and repair tasks. The versatility and portability of air compressors make them valuable assets in maintaining mining equipment.

    It is important to note that different mining operations may have specific requirements and considerations when selecting and using air compressors. The size, capacity, and features of air compressors can vary based on the specific mining application and environmental conditions.

    By utilizing air compressors effectively, the mining industry can benefit from increased productivity, improved safety, and efficient operation of various mining processes.

    air compressor

    How do you choose the right size of air compressor for your needs?

    Choosing the right size of air compressor is essential to ensure optimal performance and efficiency for your specific needs. Here are some factors to consider when selecting the appropriate size:

    1. Air Demand: Determine the air demand requirements of your applications. Calculate the total CFM (Cubic Feet per Minute) needed by considering the air consumption of all the pneumatic tools and equipment that will be operated simultaneously. Choose an air compressor with a CFM rating that meets or exceeds this total demand.

    2. Pressure Requirements: Consider the required operating pressure for your applications. Check the PSI (Pounds per Square Inch) rating of the tools and equipment you will be using. Ensure that the air compressor you choose can deliver the necessary pressure consistently.

    3. Duty Cycle: Evaluate the duty cycle of the air compressor. The duty cycle represents the percentage of time the compressor can operate within a given time period without overheating or experiencing performance issues. If you require continuous or heavy-duty operation, choose a compressor with a higher duty cycle.

    4. Power Source: Determine the available power source at your location. Air compressors can be powered by electricity or gasoline engines. Ensure that the chosen compressor matches the available power supply and consider factors such as voltage, phase, and fuel requirements.

    5. Portability: Assess the portability requirements of your applications. If you need to move the air compressor frequently or use it in different locations, consider a portable or wheeled compressor that is easy to transport.

    6. Space and Noise Constraints: Consider the available space for installation and the noise restrictions in your working environment. Choose an air compressor that fits within the allocated space and meets any noise regulations or requirements.

    7. Future Expansion: Anticipate any potential future expansions or increases in air demand. If you expect your air demand to grow over time, it may be wise to choose a slightly larger compressor to accommodate future needs and avoid the need for premature replacement.

    8. Budget: Consider your budgetary constraints. Compare the prices of different air compressor models while ensuring that the chosen compressor meets your specific requirements. Keep in mind that investing in a higher-quality compressor may result in better performance, durability, and long-term cost savings.

    By considering these factors and evaluating your specific needs, you can choose the right size of air compressor that will meet your air demand, pressure requirements, and operational preferences, ultimately ensuring efficient and reliable performance.

    China Best Sales Direct Driven Electric Motor 20HP 15kw Rotary Screw Air Compressors   best air compressorChina Best Sales Direct Driven Electric Motor 20HP 15kw Rotary Screw Air Compressors   best air compressor
    editor by CX 2024-02-12