• Want to find a quality filter at a low price?

    |

    ✨Want to find a quality filter at a low price?

    Then choose Coolworks Filter!

    -

    Our products are not only affordable but also reliable.

    Will let you have a good purchasing experience.

    Make you and the company happy.

    -

    Improve the performance of your air compressor without spending a lot of money.

    Trust Coolworks Filter,

    Can keep your air compressor running smoothly.

    -

    Communicate now and feel the difference in the Coolworks Filter.

  • King Long PEV8 & PEV12 Built for Everyone, Designed for Accessibility

    |

    Designed for everyone and built for comfort, King Long's updated PEV8 and PEV12 feature a new handrail layout and optimized interior space for smarter travel. 

     

    ✅ Larger Wheelchair Areaa

    Extended by 50cm, up to 1.8 meters to provide more room for maneuverability. 

     

    ✅ Ergonomic Handrails

    Positioned for all heights, our handrails provide secure, easy-to-reach support, enhancing safety for passengers of all ages.

     

    ✅ Lower Seat Heights for Easier Access

    Ideal for seniors and anyone with limited mobility.

     

    At King Long, we believe public transport should be safe, inclusive, and comfortable for everyone at every stop.

     

    Accessibility Public Transport

  • Different Types of Oil Separators Air Filters and Oil Filters

    |

    ✨Coolworks screw air compressor filters.

    Various models and customizable oil separators, air filters, and oil filters.

    -

    ✨Whether it is for use in manufacturing, mining or other industrial applications,

    Coolworks filters can help extend the lifespan of equipment

    and reduce the hassle associated with maintenance.

    -

    ✨Coolworks makes filtration both simple and effective.

    If you need more replacement filter, please feel free to contact us.

  • High-quality 1616465600 2911001600 Compressor Oil Separator

    |
    • Discover the high-quality 1616465600 2911001600 Compressor Oil Separator, designed to apply to Atlas Copco replacement machinery.
    • Ensure optimal performance and efficiency with this essential component.
    • Trust in the reliability and durability of this product to keep your equipment running smoothly.
    • Upgrade your compressor system today with this top-of-the-line oil separator.

  • Reliable screw air compressor filters made in China

    |

    Reliable screw air compressor filters made in China!

    Coolworks filter elements come in various models and are compatible with most brands.

     .

    ✅Factory direct supply, better prices.

    ✅Professional team, serving you.

    ✅Fast delivery, worry-free and effortless.

    .

    Please provide the product part number or the air compressor model, and we will recommend suitable products for you.

    Coolworks - Making filtration more efficient and simpler!

  • Hop on board the future of long-distance travel — the King Long 6112E awaits!

    |

    Hop on board the future of long-distance travel — the King Long 6112E awaits! 

     

    Sleek, smart, and all-electric, this 11-meter coach is built to go the distance—cleanly and comfortably.

     

     Aerodynamically designed body? Check.

     Double front windshields + LED headlights? You got it!

     

    Easy maintenance? Absolutely.

     

    Step inside and it only gets better:

     Super comfy ergonomic seats

    Spacious layout for stress-free travel

     

    No emissions, no fuss—just smooth, stylish intercity travel.

    The future of electric travel is here. Ready to ride?

     

    King Long 6112E coach

     

  • Europe Standard Spray Booths Customized to Meet Your Business Needs

    |

    Our extensive product catalogue features a wide selection of spray booths, mainly manufactured in Europe Standard (CE Standard). Whether you operate in the automotive sector, run a small body shop, or require larger booths tailored to your specific industry and product dimensions, we provide solutions designed to meet your exact requirements, we have you covered.

     

    spray booths

     

    Our spray booths will ensure a high quality coating, for that reason they can be equipped with vertical side wall or back airflow and with sectional or full-surface ventilation. These booths include a filtering system (plenum and floor) that will ensure a constant temperature and humidity inside.

     

    In order to ensure efficiency, we offer you different heating options, from gas or diesel burners up to direct flame burners. We also install heat recovery systems, featuring a crossflow aluminium plate exchanger—to ensure optimal energy transfer between the exhaust and fresh air, leading to significant energy savings.

     

    Choosing the right spray booth involves understanding your application, space limitations, finish quality requirements, and safety standards. With decades of manufacturing experience, Guangli offers a full range of paint booth solutions that meet international standards and deliver reliable, high-performance results.

     

    paint booth solutions

  • What cause brake wheel cylinder to fail?

    |
    What cause brake wheel cylinder to fail?
    The reasons for the failure of the brake cylinder can be summarized into the following categories, covering oil quality, component aging, lack of maintenance, mechanical failure and other factors:
    brake wheel cylinder price
    Oil quality problems‌
    ‌Brake fluid contamination or deterioration‌: The oil is too dirty, causing impurities to block the oil pipe, increasing the pressure of the master cylinder and accelerating the wear of the drum brake wheel cylinder; deteriorated oil corrodes the seals (such as the leather cup), causing seal failure and oil pressure leakage.

    ‌Brake fluid ingress or air mixing‌: Water causes rust inside the cylinder, and air causes a decrease in hydraulic transmission efficiency, both of which will lead to weakened or failed braking force.


    Component aging and quality problems‌
    ‌Seal damage‌: The piston cup of the cylinder is aging, cracked or the seal ring is damaged, resulting in brake fluid leakage and oil pressure cannot be maintained.
    ‌Piston stuck or rusted‌: The long-term failure to replace the brake oil causes the piston of the cylinder to rust and get stuck, unable to return to its position normally, causing dragging or locking.
    Quality defects of the slave cylinder: such as poor material or insufficient processing accuracy (such as mismatch between the piston and the cylinder), often occur in low-grade products. Choosing a reliable China supplier brake wheel cylinder can reduce the risk of premature failure.

    Improper maintenance‌
    ‌Exceeding the limit of brake pads/discs‌: Brake pads worn to the limit or deformed brake discs increase the workload of the slave cylinder, and long-term overpressure operation causes damage to it.
    ‌Brake fluid is not replaced regularly: Brake fluid that exceeds the replacement cycle (usually 2 years) has strong hygroscopicity and is prone to corrosion and bubbles.
    ‌Improper free travel adjustment‌: The pedal free travel is too small or there is no travel, and continuous pressure on the slave cylinder causes overheating and damage.

    Mechanical damage and blockage‌
    ‌Oil pipe rupture or joint leakage‌: Hydraulic line leakage directly leads to insufficient pressure in the slave cylinder. Compensation hole/vent blockage‌: The blockage of the compensation hole of the master pump affects the flow of oil, resulting in interruption of oil supply to the slave cylinder.

    External pollution and corrosion‌
    Brake dust or muddy water intrusion into the guide pin or piston of the wheel cylinder aggravates wear and corrosion, affecting the flexibility of piston movement.

    Electrical failure (partial electronic wheel cylinder)‌
    Abnormal voltage (too high/too low) may cause the motor of the electronic wheel cylinder to burn out or the control module to fail.

    Brake wheel cylinder failure is mostly caused by improper oil management (the highest proportion), sealing system collapse, and maintenance deficiency, and a few involve manufacturing defects or external pollution. For vehicle owners looking for durability and affordability, selecting products with factory price brake wheel cylinder options from trusted manufacturers is essential. Regular replacement of brake fluid (every 2 years or 40,000 kilometers), timely inspection of brake pad/disc wear, and avoidance of inferior oil products are the key to prevention.

  • What causes brake caliper to go bad?

    |

    What causes brake caliper to go bad?

    Introduction to the working principle of calipers
    Car calipers are the core components of disc brake caliper. They use hydraulic pressure to push the piston to squeeze the brake pads and generate braking force by friction with the brake disc. A healthy caliper should have good sealing, smooth piston movement, and stable structural strength.

    disc brake caliper assembly

    Main causes and mechanisms of damage

    1. Environmental corrosion
      Salt spray erosion: Salt in the air in coastal areas accelerates metal oxidation
      De-icing agent corrosion: Chemical corrosion caused by salting roads in winter
      Typical case: The rust rate of vehicle calipers in northern regions is 40% higher than that in the south

    2. Mechanical wear
      Wear of piston seal ring leads to hydraulic oil leakage
      Abnormal wear caused by insufficient lubrication of guide pins
      Direct friction of metal backing plate with caliper after excessive wear of brake pads

    3. Thermal damage
      Continuous downhill braking produces high temperature above 300℃
      Thermal deformation causes piston jamming
      High temperature causes brake fluid to vaporize and form air blockage

    4. Pollutant intrusion
      Sediment enters piston cavity and wears seals
      Road antifreeze penetrates and corrodes metal
      Water intrusion causes piston rust

    5. Improper installation
      Guide pin torque does not meet the standard (standard value is usually 35–45 N·m)
      Wrong use of piston return tool
      Brake pads are not installed in place

    6. Material aging
      Rubber seals age naturally in 5–7 years
      Metal fatigue causes structural strength to decrease
      Dust cover cracks and loses its protective function

    7. Hydraulic system problems
      Brake fluid contamination accelerates rubber parts degradation
      Hydraulic pipeline blockage leads to abnormal pressure
      Master cylinder failure causes hydraulic shock

    8. Design defects
      Irrational heat dissipation structure
      Improper material selection
      Inadequate dustproof design

    Prevention and maintenance suggestions

    Regular inspection
    Check piston movement every 10,000 kilometers
    Check whether the dust cover is damaged
    Measure the remaining thickness of the brake pad

    Proper maintenance
    Replace brake fluid every 2 years
    Use special grease to maintain guide pins
    Avoid high-pressure water gun direct spraying calipers when washing the car

    Driving habits
    Avoid long-term continuous braking
    Lightly press the brake after wading to remove water
    Do not wash the car immediately after parking

    Maintenance precautions
    Use original disc brake calipers or high-quality aftermarket brake caliper
    Strictly install according to torque requirements
    Check the caliper status when replacing brake pads—this is often a good time to consider brake caliper replacement if significant wear or damage is detected.


    Caliper damage is often the result of multiple factors. By understanding these reasons, car owners can take targeted preventive measures to extend the service life of the caliper and ensure driving safety. When the above warning signals appear, it is recommended to go to a professional maintenance point for inspection immediately.

  • Where is the clutch master cylinder located?

    |
    Where is the clutch master cylinder located?
    As the core control component of the hydraulic clutch system, the physical location of the clutch master cylinder is directly related to the driver's control experience. It is usually installed at the end of the clutch pedal, fixed to the pedal bracket by bolts, and the push rod is mechanically linked to the pedal. This design ensures that the driver's pedaling action can be instantly converted into a hydraulic signal, thereby controlling the separation and engagement of the clutch. KOMP, a leading Chinese clutch and brake pump manufacturer, specializes in the development of high quality clutch master cylinder solutions that ensure long-term reliability and precise control.
    clutch master cylinder manufacturer
    1. Positioning and Structural Design
    Precise position: The master cylinder is close to the rear of the clutch pedal. Some models need to disassemble the trim panel or battery bracket under the instrument panel to observe it.

    Connection relationship: It is connected to the clutch slave cylinder (located in the gearbox housing) through a high-pressure oil pipe to form a closed-loop hydraulic system.

    Error-proof design: The master cylinder piston has a built-in limit screw to prevent rotation, and the oil inlet valve ensures stable flow of oil by balancing the pressure difference.

    2. Working Principle and Hydraulic Transmission
    When the driver steps on the pedal:

    The pedal pushes the master pump push rod, the piston moves left to close the oil inlet valve, and the oil chamber pressure increases;

    The high-pressure oil is transmitted to the slave pump through the oil pipe, pushing the release bearing to disengage the clutch;

    After releasing the pedal, the piston resets under the action of the return spring, and the oil flows back to the oil reservoir.

    In this process, the pumping oil volume of the master pump directly affects the push rod stroke of the slave pump. The piston thickness and cavity volume of different models need to be accurately matched. Choosing a reliable wholesale clutch master cylinder ensures that these precise specifications are met for optimal performance.

    3. Maintenance and Fault Response
    Replacement cycle: It is recommended to check every 2 years or 60,000 kilometers. If there is oil leakage or abnormal pedal rebound, it needs to be replaced immediately.

    Operation points:

    When disassembling, the oil pipe and pedal push rod must be disconnected first, and attention should be paid to protecting the seals;

    After installing the new pump, the hydraulic system air must be emptied to avoid "half-linkage" failure.

    4. Common Problems and Optimization Suggestions
    Risk of oil leakage: The main reason is the aging of the oil seal after long-term use. It is more common in Focus and other models after 100,000 kilometers;

    Performance optimization: Upgrading to a new master cylinder (such as a thickened piston design) can reduce the pedal force;

    DIY tips: Non-professionals are advised to avoid self-disassembly and assembly, as the screws in the dashboard are difficult to operate.

    Considering the clutch master cylinder price is also essential when choosing between repair and replacement. KOMP offers cost-effective options without compromising quality, making it a trusted partner for both automotive professionals and distributors.