Product Description
Product Category
Kingwell Project
Kingwell’s products widely used more than 80 countries and regions in the world and enjoy a certain market position.We are committed to becoming an excellent supplier of outdoor furnitures.
Product Description
| Main Materials | Teak wood ,Aluminum,Plastic Wood,Rope,PE Rattan |
| Cushion | High density foam and Quick Dry Foam.
Outdoor waterproof and UV resistant Fabric |
| Packing | 1. CHINAMFG standard export packaging 2. Mail order packing |
| MOQ | 2 Sets. mixed order acceptable sample order available |
| Delivery | 1. Sample order(7~15 days) 2. 20GP & 40HQ(20~35 days) |
| Warranty | 2~3 years (Aluminum Frame at least 5 years quality warranty) |
Our Advantages
We paid great attention CHINAMFG quality, the all products we do salt spray test and pass the UV & environmental test.We have strict quality management system to ensure product quality,Each products we produced with 3 times QC process. and the factory have ISO9001, CE, EN-581 and FSC certificate.
About Kingwell
Kingwell factory covers an area of more than 12,000 square CHINAMFG workshop. Workers who are in the key positions such as welding, polishing and weaving have more than 10 years of work experience and also equipped latest automatic powder coating line. In the past several years, our annual production and sales of more than 150,000 pieces of outdoor furniture, export to more than 80 countries and regions in North America, Europe, the Middle East and Southeast Asia. CHINAMFG is 1 of the largest outdoor furniture manufacturing bases in HangZhou.
Exhibition & Customer Visit
We are constantly improving our R&D and quality control ability, and attending CIFF, Canton Fair and other exhibitions, expand our sales net, we will strive to become an excellent outdoor furniture supplier.
Production Process
Each products from raw materails, we have to go through more than 10 production processes. Every pcs we have 3 times QC inspection.We are carefully carve and grind each process, strictly control the process quality of products, and strive to create high-quality products.
| FAQ | |
| Q1: | I want to have a trial order. What’s your MOQ? |
| A: | A trial order can start from 2 sets. |
| Q2: | Do you have experiences in projects or contract markets? |
| A: | Yes,we are very skilled in projects. We are teamed with R&D department, Marketing & Sales department, Merchandising department, Production department, Quality Control department and Engineering department to meet your expectations and WOW you! |
| Q3: | How do you guarantee the quality? |
| A: | We CHINAMFG agreements with contract and project customers to guarantee the after-sale service. We apply AQL methodology to all our quality checks, ranging from IQC (Incoming Quality Check), IPQC (In-process Quality Check) to OQC (Outgoing Quality Check). In addition, we also have a QA (Quality Assurance) Specialist to follow up on quality corrections and carry out quality assurance procedures on a daily basis. |
| Q4: | What’s your lead time? |
| A: | We have a list of ready-to-ship products with immediate delivery. Make-to-order items will take up to 20~35 days. |
| Q5: | What’s your warranty? |
| A: | 2~5 years. |
| Q6: | How shall I maintain your products? |
| A: | We offer maintenance manual according for each different product. |
| Q7: | Can you help me with my drawings? |
| A: | We have a in-house designer and engineer team. Yes, we can offer drawing service as per your requirements. |
| Q8: | Do you offer ODM service? |
| A: | Yes, welcome to contact us for more information. |
| Q9: | What is your main products? |
| A: | Outdoor furniture garden furniture aluminum furniture and rattan furniture teak wood furniture. |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Solid Wood |
|---|---|
| Frame Material: | Wood |
| Kind: | Fixed Bar Stool |
| Samples: |
US$ 249/Set
1 Set(Min.Order) | Order Sample |
|---|
| Customization: |
Available
|
|
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Can aluminium table and chairs sets be easily assembled at home, and do they come with assembly instructions?
When it comes to assembling aluminium table and chairs sets at home, the ease of assembly can vary depending on the specific product and manufacturer. However, many aluminium furniture sets are designed to be easily assembled by the average homeowner. Here’s a detailed explanation:
1. Ease of Assembly:
Aluminium table and chairs sets are generally designed with ease of assembly in mind. The lightweight nature of aluminium makes it easier to handle and assemble compared to heavier materials like iron or steel. Additionally, aluminium furniture sets often feature simple and intuitive designs that facilitate the assembly process.
Most aluminium furniture sets come with pre-drilled holes and standardized hardware, which simplifies the assembly process. The components are typically designed to fit together easily, with clear markings and connections. This allows homeowners to assemble the furniture using basic tools without extensive technical expertise.
While the specific level of ease may vary among different products and manufacturers, it is common for aluminium table and chairs sets to be considered as DIY-friendly, allowing homeowners to assemble them at home without professional assistance.
2. Assembly Instructions:
Manufacturers typically provide assembly instructions for aluminium table and chairs sets. These instructions are meant to guide homeowners through the assembly process, providing step-by-step directions and illustrations.
The assembly instructions usually come in the form of a printed manual or may be available as downloadable PDF files on the manufacturer’s website. These instructions include information on identifying the components, tools required, and the sequence of assembly steps.
The assembly instructions aim to make the process clear and accessible, even for individuals with limited experience in furniture assembly. They often include detailed diagrams, parts lists, and guidelines for proper alignment and tightening of connections.
In cases where the assembly instructions are not included with the product or are misplaced, it is advisable to contact the manufacturer directly. They can provide the necessary instructions or direct you to online resources where the assembly instructions can be accessed.
Conclusion:
Aluminium table and chairs sets are generally designed to be easily assembled at home. The lightweight nature of aluminium and the use of standardized hardware contribute to the ease of assembly. While the specific level of ease may vary among different products, manufacturers typically provide assembly instructions to guide homeowners through the process. These instructions offer step-by-step directions and illustrations to make the assembly process clear and accessible. By following the provided instructions, homeowners can successfully assemble their aluminium table and chairs sets without professional assistance.
Can aluminium table and chairs be repainted or refinished, and what are the steps involved in doing so?
Yes, aluminium tables and chairs can be repainted or refinished to give them a fresh, updated look or to repair any damage or wear. Refinishing aluminium furniture involves several steps to ensure a smooth and long-lasting finish. Here’s a detailed explanation:
1. Surface Preparation:
The first step in refinishing aluminium furniture is to prepare the surface. This typically involves cleaning the furniture thoroughly to remove any dirt, dust, or grease. You can use a mild detergent or a mixture of water and vinegar to clean the surface. Scrubbing with a soft brush or sponge and rinsing with clean water should be sufficient. Allow the furniture to dry completely before proceeding to the next step.
2. Sanding:
After the furniture is dry, sanding is necessary to create a roughened surface that promotes paint adhesion. Use fine-grit sandpaper or a sanding block to lightly sand the entire surface of the furniture. This helps remove any existing finish, smooth out imperfections, and provide a better surface for the new paint to adhere to. Wipe away any sanding residue with a clean cloth.
3. Primer Application:
Priming the aluminium furniture is essential to improve paint adhesion and ensure a durable finish. Choose a suitable primer specifically designed for use on metal surfaces. Apply the primer evenly using a brush or spray, following the manufacturer’s instructions regarding drying time and number of coats. Allow the primer to dry completely before moving on to the next step.
4. Paint Application:
Once the primer is dry, you can proceed with applying the paint. Select a high-quality paint that is suitable for outdoor use and provides good adhesion and durability. Use a brush, roller, or spray gun to apply the paint evenly, following the manufacturer’s instructions regarding drying time and recommended number of coats. Allow each coat to dry completely before applying the next one. Multiple thin coats are generally preferable over a single thick coat to achieve a smooth and even finish.
5. Finishing and Sealing:
After the final coat of paint has dried, you may choose to apply a clear protective finish or sealant to enhance the longevity of the new finish. This step is optional but can provide added protection against UV rays, moisture, and general wear and tear. Select a clear sealant designed for outdoor use and follow the manufacturer’s instructions for application.
Additional Tips:
- Work in a well-ventilated area or outdoors when refinishing aluminium furniture to ensure proper air circulation.
- Consider using a drop cloth or newspaper to protect the surrounding area from paint drips or overspray.
- Take care to avoid painting in extremely hot or humid conditions, as this can affect the drying and curing process of the paint.
- Regular cleaning and maintenance of the refinished furniture can help prolong its appearance and protect the new finish.
Conclusion:
Aluminium tables and chairs can be repainted or refinished to update their look or address any damage or wear. The process involves surface preparation, sanding, primer application, paint application, and optional finishing with a protective sealant. Following these steps and using high-quality materials can help ensure a smooth and long-lasting finish. Refinishing aluminium furniture allows you to personalize and revitalize your outdoor space while extending the life of your furniture.
Do aluminium tables and chairs come in different finishes or colors to match various outdoor aesthetics?
Yes, aluminium tables and chairs come in different finishes and colors to match various outdoor aesthetics. Here’s a detailed explanation:
1. Powder Coating:
Aluminium furniture often undergoes a process called powder coating, which involves applying a durable and decorative finish to the surface. Powder coating allows for a wide range of color options, making it possible to match the furniture to different outdoor aesthetics. Whether you prefer neutral tones, vibrant hues, or earthy shades, there are powder-coated finishes available to suit your preferences.
2. Color Variety:
Manufacturers offer a diverse selection of colors for powder-coated aluminium furniture. You can find furniture in classic colors like white, black, gray, and brown, which can seamlessly blend with various outdoor themes. Additionally, there are options for bold and vibrant colors such as red, blue, green, or even metallic finishes, which can add a pop of color and visual interest to your outdoor space.
3. Natural Aluminium Finish:
While powder coating is commonly used to provide color and finish options, some people prefer the natural appearance of aluminium. Aluminium has a silver or gray tone, which can complement a modern or industrial outdoor aesthetic. The natural finish of aluminium can also work well in minimalist or contemporary designs, creating a sleek and clean look.
4. Textured Finishes:
In addition to a variety of colors, aluminium furniture may also come with textured finishes. Textured finishes can enhance the visual appeal of the furniture and add depth to its appearance. Common textured finishes for aluminium furniture include matte, brushed, or hammered finishes. These textures can provide a unique touch to the furniture, allowing it to blend harmoniously with different outdoor aesthetics.
5. Coordinating Sets:
To ensure consistency and coordination in outdoor aesthetics, manufacturers often offer coordinating sets of aluminium tables and chairs. These sets are designed to have a cohesive look, with matching finishes and colors. Coordinating sets make it easier to create a unified outdoor space where the furniture complements each other and creates a visually pleasing environment.
6. Customization Options:
Some manufacturers may also offer customization options, allowing you to choose specific finishes or colors for your aluminium furniture. This allows for a more personalized approach, enabling you to select a finish or color that precisely matches your desired outdoor aesthetics.
Conclusion:
Aluminium tables and chairs come in various finishes and colors, offering versatility to match different outdoor aesthetics. Whether you prefer the natural silver-gray appearance of aluminium, or you want to add a splash of color with powder-coated finishes, there are options available to suit your preferences. The availability of different finishes and colors allows you to create a cohesive and aesthetically pleasing outdoor space that aligns with your design vision.
editor by CX 2024-05-08
China OEM Ofac Industrial Dry Oil Free Water Lubrication Screw Air End Vacuum Pump Air Compressor air compressor price
Product Description
OFAC oil-free screw air compressor used Japanese Mitsui’s original technology, who is the only
maintenance service provider in China.
| TECHNICAL DATA |
||||||||||
| Model | Power | Pressure (bar) | Air Flow (m3/min) | Noise Level dBA | Outlet Size | Weight (kgs) | Lubricating Water(L) | Filter Element (B)-(Z) | Dimension LxWxH (mm) | |
| OF-7.5F | 7.5kw | 10hp | 8 | 1.0 | 60 | RP 3/4 | 400 | 22 | (25cm) 1 | 1000*720*1050 |
| OF-11F | 11kw | 15hp | 8 | 1.6 | 63 | 460 | 1156*845*1250 | |||
| OF-15F | 15kw | 20hp | 8 | 2.5 | 65 | RP 1 | 620 | 28 | (50cm) 1 | 1306*945*1260 |
| OF-18F | 18.5kw | 25hp | 8 | 3.0 | 67 | 750 | 33 | 1520*1060*1390 | ||
| OF-22F | 22kw | 30hp | 8 | 3.6 | 68 | 840 | 33 | 1520*1060*1390 | ||
| OF-30F | 30kw | 40hp | 8 | 5.0 | 69 | RP 11/4 | 1050 | 66 | (25cm) 5 | 1760*1160*1490 |
| OF-37F | 37kw | 50hp | 8 | 6.2 | 71 | 1100 | 1760*1160*1490 | |||
| OF-45S | 45kw | 60hp | 8 | 7.3 | 74 | RP 11/2 | 1050 | 88 | 1760*1160*1490 | |
| OF-45F | 45kw | 60hp | 8 | 7.3 | 74 | 1200 | 1760*1160*1490 | |||
| OF-55S | 55kw | 75hp | 8 | 10 | 74 | RP 2 | 1250 | 110 | (50cm) 5 | 1900*1250*1361 |
| OF-55F | 55kw | 75hp | 8 | 10 | 74 | 2200 | (50cm) 7 | 2350*1250*1880 | ||
| OF-75S | 75kw | 100hp | 8 | 13 | 75 | 1650 | (50cm) 5 | 1900*1250*1361 | ||
| OF-75F | 75kw | 100hp | 8 | 13 | 75 | 2500 | (50cm) 7 | 2550*1620*1880 | ||
| OF-90S | 90kw | 125hp | 8 | 15 | 76 | 2050 | (50cm) 5 | 1900*1250*1361 | ||
| OF-90F | 90kw | 125hp | 8 | 15 | 76 | 2650 | (50cm) 7 | 2550*1620*1880 | ||
| OF-110S | 110kw | 150hp | 8 | 20 | 78 | DN 65 | 2550 | 130 | (50cm) 12 | 2200*1600*1735 |
| OF-110F | 110kw | 150hp | 8 | 20 | 78 | 3500 | 130 | 3000*1700*2250 | ||
| OF-132S | 132kw | 175hp | 8 | 23 | 80 | 2700 | 130 | 2200*1600*2250 | ||
| OF-160S | 160kw | 220hp | 8 | 26 | 82 | 2900 | 165 | 2200*1600*2250 | ||
| OF-185S | 185kw | 250hp | 8 | 30 | 83 | DN 100 | 3300 | 180 | (50cm) 22 | 2860*1800*1945 |
| OF-200S | 200kw | 270hp | 8 | 33 | 83 | 3500 | 2860*1800*1945 | |||
| OF-220S | 220kw | 300hp | 8 | 36 | 85 | 4500 | 2860*2000*2300 | |||
| OF-250S | 250kw | 340hp | 8 | 40 | 85 | 4700 | 2860*2000*2300 | |||
| OF-315S | 315kw | 480hp | 8 | 50 | 90 | 5000 | 2860*2000*2300 | |||
F– air cooling method S– water cooling method
ZheJiang Xihu (West Lake) Dis. specializes in the R&D, manufacturing, sales and after sales service of variety of compressors, which include oil-free air compressors, oil-injected air compressor and air end, special gas compressors and post-processing equipment etc, under the brand name “Xihu (West Lake) Dis.r”, “OFAC”. To provide both high-quality, eco-friendly, high efficiency air system solution and stable technical service with our customers.
We workshop located in HangZhou and HangZhou city, ZheJiang Province, with 4000 square meters’ area, and new workshop was built in HangZhou city, ZheJiang Province, with 3000 square meters’ area. As a sino-ZheJiang join venture with CNY30, 000, 000 capital, we introduced the CHINAMFG technology from Japan(Mitsui) in 2013. From learning to optimization and self-dependent innovation based on the original, we devote to doing research and develpment compressor continuously. We also obtained a number of intellectual property rights, inventions, Utility model, appearance and other patents. Strictly implement the ISO 9001 quality system certification, and the oil-free machine series have passed the test of TUV Class0, CE. It is widely used for Pharmaceuticals, food, masks, melt-blown cloth, spraying, precision electronics, biological fermentation, oxygen production, nitrogen production, nitrogen production, special gas recovery, solar energy, petroleum, sandblasting, lithium batteries, condiments, wine production and other high standard industry.
We owned complete sales service system, focusing on cultivating technical talents, shaping employees with a craftmanship spirit.
FAQ
Q1: Warranty terms of your machine?
A1: Two year warranty for the machine and technical support according to your needs.
Q2: Will you provide some spare parts of the machines?
A2: Yes, of course.
Q3: What about product package?
A3: We pack our products strictly with standard seaworthy case. Rcommend wooden box.
Q4: Can you use our brand?
A4: Yes, OEM is available.
Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products. 380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 30-45 days.
Q6: How Many Staff Are There In your Factory?
A6: About 100.
Q7: What’s your factory’s production capacity?
A7: About 550-650 units per month.
Q8: What the exactly address of your factory?
A8: Our first workshop located in HangZhou, ZheJiang , second workshop located in HangZhou, ZheJiang , China.
/* 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(/(.*?):(.*)$/))&&1
| After-sales Service: | 2 Years |
|---|---|
| Warranty: | 2 Years |
| Lubrication Style: | Oil-free |
| Customization: |
Available
|
|
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
.webp)
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.
.webp)
Are there differences between single-stage and two-stage air compressors?
Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:
Compression Stages:
The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.
Compression Process:
In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.
Pressure Output:
The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.
Efficiency:
Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.
Intercooling:
Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.
Applications:
The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.
It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.
In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.
How is air pressure measured in air compressors?
Air pressure in air compressors is typically measured using one of two common units: pounds per square inch (PSI) or bar. Here’s a brief explanation of how air pressure is measured in air compressors:
1. Pounds per Square Inch (PSI): PSI is the most widely used unit of pressure measurement in air compressors, especially in North America. It represents the force exerted by one pound of force over an area of one square inch. Air pressure gauges on air compressors often display pressure readings in PSI, allowing users to monitor and adjust the pressure accordingly.
2. Bar: Bar is another unit of pressure commonly used in air compressors, particularly in Europe and many other parts of the world. It is a metric unit of pressure equal to 100,000 pascals (Pa). Air compressors may have pressure gauges that display readings in bar, providing an alternative measurement option for users in those regions.
To measure air pressure in an air compressor, a pressure gauge is typically installed on the compressor’s outlet or receiver tank. The gauge is designed to measure the force exerted by the compressed air and display the reading in the specified unit, such as PSI or bar.
It’s important to note that the air pressure indicated on the gauge represents the pressure at a specific point in the air compressor system, typically at the outlet or tank. The actual pressure experienced at the point of use may vary due to factors such as pressure drop in the air lines or restrictions caused by fittings and tools.
When using an air compressor, it is essential to set the pressure to the appropriate level required for the specific application. Different tools and equipment have different pressure requirements, and exceeding the recommended pressure can lead to damage or unsafe operation. Most air compressors allow users to adjust the pressure output using a pressure regulator or similar control mechanism.
Regular monitoring of the air pressure in an air compressor is crucial to ensure optimal performance, efficiency, and safe operation. By understanding the units of measurement and using pressure gauges appropriately, users can maintain the desired air pressure levels in their air compressor systems.
editor by CX 2024-01-09