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China Laser Cutter Integrated Screw Compressor 15kw Silent Rotary Screw Air Compressor with Air Dryer wholesaler

Merchandise Description

Item Description

Laser Cutter Built-in CZPT 15kw Silent Rotary Screw Air Compressor with Air Dryer

Model:CPMZY fifteen
Cost-free air supply:  1.16m3/min
Doing work stress: 16bar
Brand of screw air end: Baosi
Handle: PLC controler
Driven: Belt driven
Cooling: By air
Electric powered motor: 15KW 380v/50hz/3phase, IP33
Discharge temperature: Ambient +ten~15ºC
Sound: significantly less than 65 dB(A)
Air outlet measurement: G3/4″
Air tank: 350 liters
Air dryer: 220v/fifty/1phase, 2.4m³/min
Filters:4-fold precision filters
Dimension: 1900×700×1650mm
Fat: 560kg

 

Solution functions
1. Trustworthy high quality, aggressive price tag
two. German Air finish, ten a long time manufacture encounter
3. Perfect services community
4. Easy to put in, run, sustain.
five. Lower sound, Reduced power use, Reduced managing, Minimal upkeep price.
six. Aptitude and clever Management, PLC handle, Liquid crystal display displayer.

Technical Parameters

Model Air Shipping and delivery (m3/min) Rated exhaust force (Mpa) Power (kW) Noise (Db) Outlet diameter (In) Dimension (mm) Weight (Kg) Exhaust stress
dew stage (ºC)
Exhaust dust
content (μm)
Exhaust oil articles (ppm) Gas storage tank ability (L)
DBZY-10A 0.55 1.fifty eight 7.5 65 G3/4 1418*seven hundred*1500 395 2~10 0.01 0.01 260
DBZY-15A 1.05 1.fifty eight 11 65 G3/four 1882*790*1731 560 2~ten 0.01 0.01 500
DBZY-20A 1.fifty one 1.fifty eight 15 65 G3/4 1882*790*1731 572 2~ten 0.01 0.01 500
DMZY-15A 1.05 1.58 11 65 G3/4 1882*790*1731 560 2~10 0.01 0.01 500
DMZY-20A 1.52 1.58 15 65 G3/4 1882*790*1731 572 2~10 0.01 0.01 500
DMZY-30A 2.41 1.fifty eight 22 68 G3/four 1882*1081*1801 630 2~ten 0.01 0.01 500
DCZY-30A 2.21 1.fifty eight 22 68 G3/four 1882*1081*1801 630 2~10 0.01 0.01 500
CPBZY fifteen 1.16 1.58 15 68 G3/four 1900*700*1650 560 2~ten 0.01 0.01 350
CPMZY 15 1.16 1.58 20 68 G3/four 1900*seven-hundred*1650 560 2~ten 0.01 0.01 350

Product Variety

Certifications

Certification

Undertaking scenario

Undertaking Situation

Client feedback

Customer Comments

About us

About us

Dehaha Compressor was started in 1996 with over a hundred and fifty competent workers and much more than 25 R&D engineersteams ‘ .We target on the analysis & build,manufacture and vitality-saving options of screw air compressor to create value for clients and modern society.In 2018 our whole sales volume approached 15 million US pounds.By over 23 many years enhanced encounters of developing,producing and marketing and advertising,today our valued customers are above 130 nations.Germany Normal and thirteen a long time exporting knowledge help us received more than fifty faithful overseas agents.

Dehaha’s primary firms concentrate in following important regions: 
Oil-injected rotary screw compressors 
Transportable screw air compressors 
Oil free air compressors 
Higher force air compressors 
Air therapy tools

At Dehaha,we receive our customers’ trust and fulfillment by producing the superior top quality compressed air
products for all industries.All of our goods are designed for dependable functionality,simple routine maintenance,and greatest strength effectiveness.We have revenue associates who can communicate English,Spanish,French,and Russian which helps make it less complicated for our consumers from all in excess of the entire world to interact and negotiate with us.

Dehaha continually innovates item advancement and administration to fulfill customers’ demand.The potent organization culture and steady innovation make CZPT enhanced swiftly to get to the company principle”Vitality Saving First, Mutual Worth Shared”. CZPT mission is to be a world-renowned higher-conclude brand,with sustainable improvement,constantly enhancing its possess price and sharing it with our consumers and staff.Dedicated to offer you our consumers a silent and power-conserving manufactured products.

Our service

Our companies

1.24/7 after revenue services support in diverse languages.
two.Stick to up the opinions of items in two months interval by e mail or call.
three.Assistance of set up and commissioning on web site can be offered by factory-skilled technicians or regional Approved Support Centre.
4.Complex training for consumers in DEHAHA air compressor manufacturing facility or functioning internet site.
5.Lots of original spare components with verified top quality are all offered from our central shares in ZheJiang and all distributors’depots. 
six.All varieties of technical files in various languages.

FAQ

FAQ

Q1. Are you trading firm or manufacture ?
A: We are professional manufacture of screw air compressor of ZheJiang , China, more than 24 years.

Q2. How prolonged is the shipping time ?
A: For normal voltage ,15 functioning times. Non-standard ,please get in touch with our revenue.

Q3. What’s payment expression ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and and so forth. Also we could take USD, RMB, Euro and other currency.

Q4. How about your soon after-revenue support ?
A: 1.Give buyers with installation and commissioning online directions.
     2. Properly-educated engineers accessible to abroad service.
     3.CZPT agents and following services avaiable.set up our engineers to help you education and installation.

Q5. How about your warranty?
A: One particular 12 months for the complete equipment and 2 several years for screw air conclude, apart from consumable spare areas.

Q6. Do you have any certification ?
A: Sure, for every diverse customer’s industry require ,we can offer CE ,ISO etc certificate.

Q7. What about the routine maintenance ?
A: First routine maintenance require to be carried out after 500Hours, and then each and every 2000-3000 hrs to do the standard routine maintenance, and take into account the genuine surroundings.

Q8. How do you control high quality ?
A: 1.The raw materials are strictly inspected
     2. Some crucial components are imported from overseas
     3.Each compressor need to pass at the very least 5 hrs of ongoing tests before leaving the factory.

Q9. Do you offer you OEM provider ?
A: Indeed.The two OEM & ODM service can be approved.

Q10.How long could your air compressor be used?
A: Normally, a lot more than ten years.

Shipping Cost:

Estimated freight per unit.



To be negotiated

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After-sales Service: Online Support
Warranty: 24months
Lubrication Style: Lubricated

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Customization:
Available

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Model Air Delivery (m3/min) Rated exhaust pressure (Mpa) Power (kW) Noise (Db) Outlet diameter (In) Dimension (mm) Weight (Kg) Exhaust pressure
dew point (ºC)
Exhaust dust
content (μm)
Exhaust oil content (ppm) Gas storage tank capacity (L)
DBZY-10A 0.55 1.58 7.5 65 G3/4 1418*700*1500 395 2~10 0.01 0.01 260
DBZY-15A 1.05 1.58 11 65 G3/4 1882*790*1731 560 2~10 0.01 0.01 500
DBZY-20A 1.51 1.58 15 65 G3/4 1882*790*1731 572 2~10 0.01 0.01 500
DMZY-15A 1.05 1.58 11 65 G3/4 1882*790*1731 560 2~10 0.01 0.01 500
DMZY-20A 1.52 1.58 15 65 G3/4 1882*790*1731 572 2~10 0.01 0.01 500
DMZY-30A 2.41 1.58 22 68 G3/4 1882*1081*1801 630 2~10 0.01 0.01 500
DCZY-30A 2.21 1.58 22 68 G3/4 1882*1081*1801 630 2~10 0.01 0.01 500
CPBZY 15 1.16 1.58 15 68 G3/4 1900*700*1650 560 2~10 0.01 0.01 350
CPMZY 15 1.16 1.58 20 68 G3/4 1900*700*1650 560 2~10 0.01 0.01 350
Shipping Cost:

Estimated freight per unit.



To be negotiated

###

After-sales Service: Online Support
Warranty: 24months
Lubrication Style: Lubricated

###

Customization:
Available

|


###

Model Air Delivery (m3/min) Rated exhaust pressure (Mpa) Power (kW) Noise (Db) Outlet diameter (In) Dimension (mm) Weight (Kg) Exhaust pressure
dew point (ºC)
Exhaust dust
content (μm)
Exhaust oil content (ppm) Gas storage tank capacity (L)
DBZY-10A 0.55 1.58 7.5 65 G3/4 1418*700*1500 395 2~10 0.01 0.01 260
DBZY-15A 1.05 1.58 11 65 G3/4 1882*790*1731 560 2~10 0.01 0.01 500
DBZY-20A 1.51 1.58 15 65 G3/4 1882*790*1731 572 2~10 0.01 0.01 500
DMZY-15A 1.05 1.58 11 65 G3/4 1882*790*1731 560 2~10 0.01 0.01 500
DMZY-20A 1.52 1.58 15 65 G3/4 1882*790*1731 572 2~10 0.01 0.01 500
DMZY-30A 2.41 1.58 22 68 G3/4 1882*1081*1801 630 2~10 0.01 0.01 500
DCZY-30A 2.21 1.58 22 68 G3/4 1882*1081*1801 630 2~10 0.01 0.01 500
CPBZY 15 1.16 1.58 15 68 G3/4 1900*700*1650 560 2~10 0.01 0.01 350
CPMZY 15 1.16 1.58 20 68 G3/4 1900*700*1650 560 2~10 0.01 0.01 350

Choose an Air Compressor for Your Business

There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.
air-compressor

Positive displacement

Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are two different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.
air-compressor

Single-stage

The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only one cylinder, which means one stroke is required to move air from one cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the one with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of ​​the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have one air intake, and two-stage air compressors have two air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.
air-compressor

low noise

Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The two water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers two models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and two universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.
China Laser Cutter Integrated Screw Compressor 15kw Silent Rotary Screw Air Compressor with Air Dryer     wholesaler China Laser Cutter Integrated Screw Compressor 15kw Silent Rotary Screw Air Compressor with Air Dryer     wholesaler
editor by CX 2023-03-27

China High Quality Oppair Integrated 22kw Rotary Silent Screw Air Compressor with Best Sales

Merchandise Description

Large Top quality OPPAIR built-in 22KW rotary silent screw air compressor

High Quality OPPAIR built-in 22KW rotary silent screw air compressor

FAQ:

Q1: Why do customers pick us?
A: ZheJiang OPPAIR Machinery Manufacturing Co., Ltd. has a heritage of 16 many years. We specialize in the generation of screw air compressors. We warmly welcome your small demo orders for quality or market testing, and we supply special solutions.

Q2: Are you a manufacturer or a trading company?
A: We are a professional maker with a huge modern factory in HangZhou, China. OEM and ODM providers can be recognized.

Q3: What is your shipping and delivery time?
A: 380V 50HZ We can ship in ten times. It will take 20 days for other voltages, if you want to rush, please get in touch with our sales personnel in advance.

This autumn: How lengthy is the warranty time period of your air compressor?
A: One particular calendar year for the whole machine and 2 years for the screw host, excluding consumables.

Q5: How prolonged can your air compressor final?
A: More than ten years underneath normal use.

Q6: What are the payment phrases?
A: T/T, L/C, Western Union, Credit history Card, and so forth. We can also take USD, RMB, EUR and other currencies.

Q7: Will you give some spare areas for the machine?
A: Of course, of program.

Q8: Can you accept OEM orders?
A: Yes, with a skilled style crew, OEM orders are really welcome.

Q9: What kind of trade terms can you take?
A: Available trade conditions: FOB, CIF, EXW, and many others.

Q10: How about the product packaging?
A: We strictly pack our merchandise in standard airworthy boxes.
 

After-sales Service: 1year
Warranty: 1year
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Angular

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Samples:
US$ 3431/Piece
1 Piece(Min.Order)

|
Request Sample

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Customization:

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High Quality OPPAIR integrated 22KW rotary silent screw air compressor
After-sales Service: 1year
Warranty: 1year
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Angular

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Samples:
US$ 3431/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

High Quality OPPAIR integrated 22KW rotary silent screw air compressor

The Air Compressor Is a Versatile Tool

The Air Compressor is one of the most versatile tools in any garage or workshop. It is easy to use and can perform a variety of tasks, from jackhammering to drilling. These machines are available in a wide variety of sizes and types, making it an excellent choice for a variety of situations. With a single motor, you no longer need separate motors for each tool. Its lightweight, compact design makes it easy to handle, and the single motor also reduces wear on parts.
air-compressor

Oil-injected

Oil-injected air compressors require a large amount of lubricant, which needs to be added to the sump regularly to maintain optimum performance. As there are many types of industrial fluids, a well-intentioned maintenance technician may add the wrong lubricant to the compressor. If this happens, the compressor will become incompatible with the lubricant, resulting in excessive carryover and the need to flush and replace downstream air treatment components.
Typically, the G 110-250 oil-injected rotary screw compressor from Atlas Copco provides reliable compressed air, preventing costly downtime. The G110-250 oil-injected rotary screw compressor is highly reliable and durable, enabling it to function in temperatures up to 46degC/115degF. Despite the oil-injected air compressor’s robust design, this unit requires very little on-site installation, and it features simple operation.
The primary advantage of oil-injected air compressors is the reduced cost of running. The cost of oil-free compressors is less than half of that of oil-injected ones, and it will require fewer maintenance costs in the long run. Moreover, the oil-free system is more environmentally friendly than oil-injected air compressors. But the drawbacks of oil-injected air compressors are substantial, too. It can contaminate finished goods and cause a significant financial risk for the manufacturer.
An oil-injected rotary screw air compressor offers several advantages over its counterpart. First, it features an innovative vertical design with variable-speed drive, allowing it to run more efficiently. Second, oil-injected air compressors reduce energy consumption by up to 50% compared to non-oil-injected air compressors. They also have a thermostatic valve, allowing them to maintain an optimum temperature. Thermostatically-regulated oil coolers allow the compressor to run more quietly.

Oil-free

What is an oil-free air compressor? The name refers to a type of air compressor that does not contain oil in the compressor chamber. Oil-free air compressors still use oil for various purposes, including lubricating the moving parts and managing waste heat. However, many people do not realize that their air compressor still requires oil for proper functioning. This article will explore why this type of air compressor is preferable for many users.
First of all, oil-free air technology has many benefits. For one, it reduces the energy cost involved in filtering air, and it minimizes leaks. Moreover, it also reduces the oil costs associated with compressor refills. And finally, it reduces the risks of contamination. Oil-free air technology is the future of compressed air. If you’re looking for an oil-free air compressor, here’s what to look for in your search.
Depending on the purpose of your air compressor, it may be beneficial to invest in an oil-free air compressor. Oil-lubricated air compressors are generally more durable than their oil-free counterparts, but they may cost twice as much. You should still consider the cost of ownership before purchasing an oil-free compressor. The oil-free models can be easier to transport, and they are more powerful. Moreover, they’re quieter than oil-lubed models.
An oil-free air compressor also means less maintenance, as it doesn’t need oil to work. This type of air compressors also features fewer moving parts, which means fewer places for problems to develop. All oil-free air compressors are manufactured to meet ISO Class 0 and 1 air purity standards. They also have less noise and vibration compared to their oil-based counterparts. So, why not choose an oil-free air compressor for your business?
air-compressor

Gasoline

When choosing a gas-powered air compressor, it’s important to consider the advantages of gasoline. This energy source can power a large air compressor without electricity. However, this type of air compressor lacks electrical hookup, so you’ll need to run an extension cord if you need to use it at a distance. However, gas compressors are able to function with just a gas tank. This makes them ideal for medium to heavy-duty industrial applications.
Another important consideration when choosing a gas air compressor is its size. Larger compressors are typically larger than portable ones and require more space. This makes them easier to transport and operate on the go. However, if you’re not sure which type of air compressor is best for you, consider the gas-powered versions. While they may be lighter, they don’t run as smoothly as their electric counterparts. Gasoline-powered compressors are not as portable as their electric counterparts and require proper maintenance.

Electricity

Electricity in an air compressor is not cheap. A 25 HP air compressor runs for ten hours each day, five days a week. The motor in these machines consumes 746 watts per hour. To find out how much electricity the equipment uses, multiply the wattage by the running time. For example, if the compressor runs for three hours, then it will use 1.9 kilowatt hours of electricity. To determine how much electricity an air compressor uses per day, you can calculate the kilowatt hours and multiply the number by the utility rate. Considering this, you can determine the cost of running your air compressor once per month.
The cost of operating an air compressor depends on the type of compressor. Electric air compressors are often silent and can run without any maintenance. These tools can be left unattended for up to four thousand hours before requiring repair. Electric air compressors require higher power for higher pressure, so you should plan accordingly. Whether or not you need a maintenance visit is up to you, but the benefit of not having to spend a fortune on repairs is priceless.
Although compressed air is not an energy-efficient source, its use in a variety of applications may save you money and kilowatts. Since an air compressor uses power when it is running, the cost is lower than the cost of operating a power tool. If you plan to use your air compressor for a long time, make sure that it is maintained properly. Proper care will save you money and power, and you may even be able to get an extended warranty if the compressor breaks down.
air-compressor

Variable frequency drive

The main purpose of a variable frequency drive (VFD) in an air compressor is to reduce energy consumption in the process of compression. A single motor drag system cannot adjust its speed continuously according to the weight of the load. By applying frequency control to the compressor, the power consumption can be reduced while maintaining the same pressure level. Therefore, a VFD is an excellent choice for compressors. Its benefits are numerous.
A VFD can also monitor the temperature of the motor and send error signals if the motor is running too hot or too cold. This eliminates the need for a separate sensor to monitor the oil pressure. These functions are useful not only in lowering energy consumption, but also in improving the performance of an application. Moreover, a VFD can monitor additional variables such as temperature and motor speed. Hence, it is a useful investment.
When using a VFD, it is crucial to choose the right motor. The speed of the compressor should be within the maximum starting limit of the motor. The air tank may be of any size, but a constant pressure limit is required to keep the VFD running within the service factor of the motor. In addition to a VFD, a master controller should also include a remote pressure set point and a PID card for a master controller. The transmitter should incorporate all useful data from the VFD, including the speed and the oil temperature. The VFD must be tested before it is integrated with the master control. It should be tested for min and max speed, temperature, and current within the expected range.
The use of a VFD in an air compressor has many benefits. One of the most notable is the reduction in power consumption. Fixed-speed compressors run on set points of six to seven bar. An extra bar of compression uses 7 percent of energy. This energy is wasted. A VFD-powered air compressor can also increase the life span of compressor parts. It is one of the best investments in your compressor. So, why wait any longer?

China High Quality Oppair Integrated 22kw Rotary Silent Screw Air Compressor     with Best SalesChina High Quality Oppair Integrated 22kw Rotary Silent Screw Air Compressor     with Best Sales
editor by czh 2022-12-24