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Provide every customer with energy-saving air compression products and meticulous after-sales service!
Quanwei Machinery Group (Jiangsu) Co., Ltd. is referred to as Quanwei Machinery for short. The company's main brands are Quanwei and Yongying. Quanwei Machinery Factory was established in 1986 and is located in Lingya District, Kaohsiung City, Taiwan. It is a comprehensive screw compressor manufacturer with research and development, design, production and sales. Quan Wei established a company in Suzhou in 2013, with a factory building of 28,000 square meters, including large-scale production workshops, showrooms and quality testing laboratories.
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Quanwei Machinery Group (Jiangsu) Co., Ltd. is referred to as Quanwei Machinery for short. The company's main brands are Quanwei and Yongying. Quanwei Machinery Factory was established in 1986 and is located in Lingya District, Kaohsiung City, Taiwan. It is a comprehensive screw compressor manufacturer with research and development, design, production and sales.
  • 15 2026.04
    Quanwei Group (Jiangsu) Co., Ltd. — Crafting Air Compressors with Ingenuity, Empowering Global Foreign Trade

      The prosperity of industry drives the development of the real economy, and sufficient power ensures steady progress. Amid the wave of global industrial intelligence and efficiency, air compressors, as the core power equipment in various production scenarios, have their reliability and adaptability directly related to enterprise production efficiency and project advancement. Quanwei Group (Jiangsu) Co., Ltd. has been deeply engaged in the air compressor manufacturing industry, refining products with professional ingenuity, focusing on the foreign trade export sector, and providing global customers with stable and adaptable compressed air solutions, demonstrating the strength and responsibility of Made in China.         As an enterprise specializing in the R&D and production of air compressors, Quanwei Group always prioritizes quality. From the selection of core components to the assembly of the entire machine, and from the control of production processes to the inspection and delivery of finished products, every link is pursued with excellence and strictly supervised. We fully understand that overseas customers have higher requirements for equipment adaptability. Therefore, we specially offer a voltage customization service, which can tailor voltages of different specifications such as 380V and 440V/60Hz according to customer needs, perfectly complying with power supply standards in different regions around the world. This solves the adaptability challenges for overseas customers and allows the equipment to be put into use quickly without additional debugging.     Focusing on the foreign trade export field, Quanwei Group always takes customer needs as the guide and fully grasps the core demands of overseas customers — the need for formal and standardized product materials for docking with end clients. To this end, we carefully prepare formal product specification drawings, technical data sheets (Datasheet) and other materials, ensuring that each piece of information is clear, professional and directly usable for customer end docking. This saves customers the trouble of subsequent sorting and supplementation, and reduces customer communication costs through meticulous services.     We do not pursue exaggerated publicity, but only adhere to our commitment to quality. Quanwei Group's air compressors have won the recognition and trust of overseas customers with their stable operational performance, durable product quality and flexible customization services. We always adhere to honest operation, treating every overseas partner with genuine product strength, clear quotation standards and efficient response capabilities, and building a bridge for Sino-foreign cooperation with sincerity and professionalism.     Ingenuity paves the way for long-term development, and joint efforts drive progress. Quanwei Group (Jiangsu) Co., Ltd. always adheres to its original aspiration of air compressor manufacturing, deeply cultivates the foreign trade export track, continuously optimizes product quality and improves service details, and is committed to providing more adaptable and reliable air compressor equipment for global customers, helping every overseas partner achieve efficient production and steady development. In the future, Quanwei Group will continue to take quality as the foundation and service as the soul, moving steadily in the global air compressor foreign trade field and writing a new chapter of Made in China.       +WhatsApp:+86 18913182127 +WeChat:18913182127 E-mail:aircompressor@taiwanquanwei.com   Could you please inform me of the following basic parameters in the email so that I can provide you with a better quotation: • Voltage • Frequency (Hz) • Motor Power • Pressure • Flow Rate  

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  • English Title: Quanwei Air Compressors, Empowering Efficient Production in the Plastics & Rubber Industry with Reliable Air Supply
    27 2026.04
    English Title: Quanwei Air Compressors, Empowering Efficient Production in the Plastics & Rubber Industry with Reliable Air Supply

        Efficient production in the plastics and rubber industry relies on continuous, stable and clean compressed air. Whether for injection molding, blow molding, extrusion, mold blowing, automated manipulators or pneumatic valves, every critical process demands high standards of air pressure stability, purity and continuity. With years of experience in air compressor R&D and manufacturing, Quanwei Group has developed a full range of air compressors tailored to all air supply needs in the plastics and rubber industry, providing efficient, energy-saving and durable air solutions for global enterprises.       The core advantage of Quanwei air compressors lies in their stable and reliable performance. Equipped with high-precision premium air ends and precision rotor processing technology, the compressors deliver high compression efficiency, large air output and steady pressure, perfectly matching the continuous air demand of plastic machinery. With enhanced durability design and wear-resistant key components, the units adapt to harsh workshop conditions such as high dust and extreme temperatures, supporting 24-hour continuous operation. Low failure rate effectively avoids unplanned downtime and keeps production schedules on track.       In terms of energy saving, Quanwei air compressors adopt a new generation of energy-saving control technology specifically for the high-load air demand of the plastics industry. The intelligent variable frequency system automatically adjusts the operating load according to actual air consumption, eliminating idling and unnecessary power consumption. Compared with traditional fixed-speed models, they offer significant energy savings, helping customers cut long-term electricity costs. Meanwhile, the efficient heat dissipation structure ensures optimal operating temperature for extended periods, further improving overall energy efficiency and supporting enterprises in achieving green and low-carbon production goals.       User-friendly design and easy maintenance are also key highlights of Quanwei air compressors. The high-definition intelligent control panel displays real-time data such as pressure, temperature, running time and fault warnings. The intuitive interface allows easy one-key start-stop, parameter setting and fault diagnosis, lowering the manual operation threshold. The modular structure and neatly arranged pipelines make the replacement of wearing parts simple and fast, reducing maintenance time and after-sales costs, and making equipment management more efficient.       To meet diverse needs of different-sized plastics and rubber enterprises, Quanwei Group offers a complete product line and customized services. From low, medium to high pressure models, and from standalone units to central air supply systems, we provide targeted solutions. Customized voltage and frequency options are available to meet different national power standards, adapting to large-scale plastic factories, small and medium-sized injection workshops and mold processing enterprises. With stable performance, energy-saving design and comprehensive service system, Quanwei air compressors have won recognition and trust from numerous domestic and overseas customers, becoming a preferred choice for air supply in the plastics and rubber industry.      

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  • 30 2026.04
    May Day Holiday | Quanwei Walks with Every Striver, Interpreting Original Aspiration with Craftsmanship

        Spring returns to the earth, and labor shapes the soul. When the wind of May blows through the windows of the workshop, and the roaring machines play the movement of struggle, we usher in a glorious festival belonging to every worker - International Labor Day. On this day of paying tribute to struggle and praising craftsmanship, Quanwei Group extends the highest respect to all workers who stick to their posts and work silently, and also says to every partner who walks side by side with Quanwei: You have worked hard, happy holiday!     Labor creates value, and craftsmanship achieves extraordinary results. In Quanwei's production workshop, there is a group of craftsmen who adhere to their original aspirations. They polish the details of each air compressor with the temperature of their fingertips; control the quality of each production process with a rigorous attitude. From the precision assembly of core components to the commissioning and testing of the whole machine, from the repeated tackling of problems in the R&D laboratory to the timely response at the after-sales site, every Quanwei person is in their own position, interpreting the responsibility and mission of workers with concentration and perseverance.     We deeply understand that every stable running Quanwei air compressor carries the sweat and expectations of countless workers; every efficient and convenient air use experience is inseparable from the hard work of the strivers behind it. In the plastic and rubber workshop, operators stick to their posts and water the fruits of production with their hands, while Quanwei air compressors always accompany them, providing stable and energy-saving air sources to escort their efficient operation; at overseas exhibition sites, salesmen are busy, conveying brand strength with professionalism and making Quanwei's craftsmanship known to the world; the R&D team studies day and night, breaks through technical bottlenecks with innovation, and injects new vitality into the industry's development.     Struggle has no boundaries, and warmth walks together. Quanwei's growth has never been a lonely battle, but the result of every worker working together with one heart and one mind. We cherish the efforts of every employee, respect every ordinary perseverance, and always integrate humanistic care into every detail of the enterprise's development - whether it is greetings and care during festivals, or support and growth at work, we always stand side by side with every striver, making efforts seen and gains echoed.     This May Day, some people rush to the mountains and seas to enjoy the comfort of the holiday; some people stick to their posts to continue the chapter of struggle. Whether it is a craftsman who sticks to the front line of production, an envoy who rushes to the forefront of the market, a technical personnel who is deeply engaged in R&D, or a logistics partner who serves silently, every worker is worthy of being remembered, and every struggle is worthy of being praised.     Craftsmanship builds dreams, and labor is glorious. On the occasion of this May Day, Quanwei Group pays tribute to all workers again! In the future, we will continue to adhere to the original aspiration with craftsmanship, fulfill the mission with quality, polish better air compressor products, provide more intimate services, walk with every striver, win-win with every partner, create a better future with labor, build an industry benchmark with craftsmanship, and let Quanwei's warmth and strength accompany every worker to a farther journey.    

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  • May Day Holiday Ends | Back to Work, Gather Strength and Start a New Journey with Quanwei
    04 2026.05
    May Day Holiday Ends | Back to Work, Gather Strength and Start a New Journey with Quanwei

      A short rest is for a better journey; a moment of pause is for accumulating more strength. With the successful conclusion of the May Day holiday, we bid farewell to the comfort and leisure of the holiday, let go of relaxation, regain our forging spirit, and officially return to work, starting a new journey of struggle with a brand-new mental state.     This May Day, some people traveled to mountains and seas to feel the fireworks of the world; some accompanied their families to enjoy the warm time; some partners also stuck to their posts, silently guarding the operation of the enterprise, interpreting responsibility with perseverance and writing dedication with hard work. Every rest is for a better start; every pause is for a more steady progress. The relaxation and precipitation during the holiday will be transformed into the motivation for us to go all out.     Focus on work and move forward steadily. From today on, all employees of Quanwei Group have returned to their posts. All departments including production, sales, R&D, after-sales and foreign trade have fully resumed normal operation, and all work is being promoted in an orderly and efficient manner. Services such as air compressor consultation and docking, product selection and quotation, order scheduling and production, logistics and delivery, and after-sales technical support have all fully recovered. We will receive every new and old customer and respond to every trust and expectation with the most enthusiastic attitude and professional service.     The holiday is over, but the struggle never stops. In the past days, we have forged quality with craftsmanship, won trust with service, and made steady progress on the road of air compressor R&D, production and sales, gaining recognition and support from many customers. In the new journey, we will continue to adhere to our original aspiration and craftsmanship, get rid of the laziness of the holiday, gather the power of forging ahead, transform the good mood during the holiday into unlimited motivation in work, take every production process seriously, make every air compressor with care, and serve every customer with sincerity.     Time rewards hard work, and struggle will always pay off. The end of the May Day holiday is a new starting point and a new beginning. All employees of Quanwei Group are ready to go, devoting themselves to work with more firm faith, more pragmatic style and more efficient actions, deeply cultivating the air compressor field, polishing high-quality products, optimizing the service system, and working hand in hand with every partner to gather strength, embark on a new journey, build new brilliance, live up to time, and live up to every love and perseverance.    

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Quanwei Machinery Group (Jiangsu) Co., Ltd. is referred to as Quanwei Machinery for short. The company's main brands are Quanwei and Yongying. Quanwei Machinery Factory was established in 1986 and is located in Lingya District, Kaohsiung City
  • Steps to start up the air compressor
  • The steps to start up the air compressor are usually as follows,Loosen the shipping brackets or bolts on the main frame that connect to the large base of the cabinet. These brackets or bolts are used to secure and protect the air compressor during transportation, but need to be loosened before use to ensure that the air compressor can run freely. Connect the power cord and ground wire, and check whether the voltage is correct and whether the three-phase voltage is balanced. This is to ensure the stable operation of the air compressor. Check whether the electrical wiring is firm and reliable. Electrical wiring is an important part of the air compressor. If the wiring is not firm or has hidden dangers, it may cause equipment failure. .Check whether the oil level in the oil and gas cylinder is at the appropriate position. An oil level that is too low may cause poor lubrication of the equipment, while an oil level that is too high may affect the normal operation of the equipment. Therefore, it is necessary to ensure that the oil level is within the normal range. Check that the belt tension is appropriate. The belt is an important transmission component in the air compressor. If the tension is inappropriate, it may cause the belt to slip or wear too quickly, thus affecting the normal operation of the equipment. Before starting for the first time or after a long shutdown, 0.5-1.5L air compressor oil should be injected into the compressor body through the air inlet, and the air compressor should be rotated by hand for a few turns to prevent oil loss and burning in the head when starting. damage. This is to ensure that the air compressor has enough lubricating oil when it is started, thereby protecting the equipment from damage. After completing the above steps, you can start the air compressor according to the instructions in the operation manual. Please note that you must follow operating specifications during operation and ensure that the equipment is in a stable and reliable condition. If necessary, it is recommended to consult professionals or manufacturers for guidance.
  • Safety Operating Procedures for Screw Air Compressors
  • Screw air compressors are widely used in various industries for their efficiency in generating compressed air.     However, it is crucial to prioritize safety when operating these machines.     This article aims to provide a concise guide on the safety procedures that should be followed while operating screw air compressors. 1.     Proper Training: Before operating a screw air compressor, it is essential to receive proper training on its operation, maintenance, and safety guidelines.     Familiarize yourself with the compressor's specific features, controls, and potential hazards.     Ensure that all personnel involved in operating the equipment have received appropriate training.   2.     Safety Equipment: Always wear appropriate personal protective equipment (PPE) when operating a screw air compressor.     This includes safety glasses, ear protection, gloves, and appropriate footwear.     PPE helps protect against potential injuries caused by flying debris, noise exposure, and accidental contact with moving parts.   3.     Pre-Operational Checks: Before starting the compressor, perform the following checks: a) Inspect the compressor and its surrounding area for any signs of damage, leaks, or obstructions.     Ensure that the compressor is properly grounded. b) Check all safety devices, such as emergency stop buttons, pressure relief valves, and pressure gauges, to ensure they are functioning correctly. c) Verify that all required maintenance has been performed, including oil and filter changes, and that all fluid levels are within the recommended range.   4.     Startup Procedure: a) Before starting the compressor, ensure that all personnel are clear of the equipment and that no one is in the immediate vicinity. b) Follow the manufacturer's instructions for starting the compressor.     This may involve engaging the power supply, opening the air intake valve, and activating the control panel. c) Monitor the compressor during startup for any abnormal noises, vibrations, or leaks.     If any issues are detected, immediately shut down the compressor and report it to the appropriate personnel.   5.     Operation Guidelines: a) Never exceed the maximum operating pressure specified by the manufacturer.     Operating above the recommended pressure can lead to equipment failure and potential accidents. b) Regularly monitor pressure and temperature gauges during operation.     Any significant deviations from normal values should be investigated promptly. c) Avoid overloading the compressor by exceeding its duty cycle.     Allow the equipment to cool down adequately between continuous operation to prevent overheating.   6.     Shutdown Procedure: a) Gradually reduce the operating pressure to zero using the compressor's control panel. b) Once the pressure is reduced, turn off the power supply to the compressor. c) Perform a final check of the equipment and the surrounding area to ensure that everything is in order before leaving.   Conclusion: By following these safety operating procedures for screw air compressors, operators can minimize the risk of accidents and injuries.     Remember, safety should always be the top priority to ensure a secure working environment for both the operator and those in the vicinity.
  • Screw Air Compressor: Understanding the Working Principle
  • A screw air compressor, also known as a rotary screw compressor, is a versatile and widely used device in various industries.  It operates based on a simple yet effective mechanism that ensures efficient compression of air. The primary components of a screw air compressor are two interlocking rotors, usually referred to as the male and female rotors.  These rotors are designed with helical lobes or screws that mesh together when the compressor is in operation.   When the compressor starts, the male and female rotors rotate in opposite directions.  As the rotors turn, the air is drawn into the space between the lobes.  The helical shape of the rotors allows for a gradual reduction in the volume of the air pocket.  Simultaneously, the air is compressed and pushed towards the discharge port.   The compression process in a screw air compressor occurs in three stages: inlet, compression, and discharge.  During the inlet stage, the air is drawn into the compressor through the inlet filter.  The air is then trapped between the rotor lobes as they rotate, creating a sealed area for compression.   In the compression stage, the volume of the trapped air reduces as the rotors continue to rotate.  This reduction in volume leads to an increase in air pressure.  The compressed air is then forced towards the discharge port.   Finally, in the discharge stage, the compressed air reaches the discharge port, which is connected to the air receiver or the system where the compressed air is utilized.  The pressure of the discharged air can be regulated using an integrated control system, ensuring it meets the specific requirements of the application.   One notable advantage of screw air compressors is their continuous operation.  Unlike reciprocating compressors that operate in cycles, screw compressors provide a continuous supply of compressed air.  This feature is particularly beneficial in applications where a constant and reliable source of compressed air is crucial.   Furthermore, screw air compressors are known for their efficiency and reliability.  The design of the helical lobes, along with the minimal clearance between the rotors, ensures a smooth and efficient compression process.  This results in reduced energy consumption and increased durability of the compressor.   In conclusion, the working principle of a screw air compressor revolves around the interlocking rotation of two helical rotors.  This mechanism allows for the gradual reduction of air volume, leading to the compression and subsequent discharge of compressed air.  With their continuous operation, efficiency, and reliability, screw air compressors have become an essential component in various industries, enabling the effective utilization of compressed air.
  • Common Troubleshooting and Maintenance for Screw Air Compressors
  • Screw air compressors are widely used in various industries to generate compressed air, which is essential for powering pneumatic tools and equipment. However, like any mechanical equipment, these compressors are prone to faults and failures. In this article, we will discuss some common troubleshooting and maintenance techniques for screw air compressors.   1. Insufficient or No Pressure Output: One of the most common issues with screw air compressors is the inadequate or no pressure output. Several factors can cause this problem, such as worn-out compressor seals, damaged valves, or clogged filters. To troubleshoot this issue, start by checking the compressor oil level and ensuring it is at the recommended level. Next, inspect the air intake filters and clean or replace them if necessary. Additionally, examine the valves for any signs of damage or leakage. If the problem persists, consult a professional technician for further inspection.   2. Excessive Noise or Vibration: If you notice unusual noise or excessive vibrations coming from your screw air compressor, it is crucial to address the problem promptly. Vibrations can be caused by misaligned couplings, loose bolts, or worn-out bearings. To resolve this issue, carefully inspect the compressor and tighten any loose bolts or connections. Ensure that the couplings are correctly aligned and adjust them if needed. If the noise or vibrations persist, it may indicate a more serious internal problem, requiring the expertise of a qualified technician.   3. Overheating: Overheating is another common problem in screw air compressors, often caused by insufficient cooling or lubrication. It is vital to monitor the compressor's temperature regularly and take immediate action if it exceeds the recommended range. To prevent overheating, ensure that the cooling fans are clean and functioning correctly. Regularly inspect and change the compressor oil according to the manufacturer's recommendations. If the problem persists, it could be due to a malfunctioning thermostat or a faulty temperature sensor, which requires professional attention.   4. Oil Leaks: Oil leaks can occur in screw air compressors due to worn-out seals or gaskets. These leaks not only lead to oil wastage but can also damage other components. To tackle this issue, inspect the compressor for any visible oil leaks and replace the faulty seals or gaskets. It is crucial to use the recommended type and grade of oil to prevent leaks. Regularly check the oil level and maintain it within the specified range. 5. Regular Maintenance: To ensure optimal performance and longevity of your screw air compressor, regular maintenance is essential. This includes checking and changing the compressor oil, cleaning or replacing air filters, inspecting and tightening connections, and lubricating moving parts as per the manufacturer's guidelines. Regularly monitor and record the compressor's performance, such as pressure output and temperature, to identify any potential issues early on.   In conclusion, screw air compressors are reliable and efficient machines when properly maintained. By following these common troubleshooting and maintenance techniques, you can minimize downtime, extend the lifespan of your compressor, and ensure uninterrupted operation in your industrial processes. However, it is always recommended to consult a qualified technician for complex issues or if you are unsure about any maintenance procedures.
  • 1998
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    Establishment

  • 2450
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    Customers Globally

  • 35000
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    Projects Complete

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