Tag Archives: sliding window bearing

China 2022 New Design Flat Sliding Door And Window Puller Roller Wheel Bearing 625zz Wheel with Hot selling

Relevant Industries: Lodges, Garment Shops, Building Substance Retailers, Manufacturing Plant, Machinery Restore Retailers, Meals & Beverage Manufacturing facility, Farms, Restaurant, Residence Use, Retail, Meals Shop, Printing Shops, Development works , Vitality & Mining, Food & Beverage Shops, Other, Promoting Organization
Kind: Flat Belt
Materials: Plastic, Nylon,POM
Measurement: 8*35*18mm(Numerous measurements, assist customization)
Shade: A range of shades, help customization
Feature: Versatile rotation, no lubrication, corrosion resistance
Provider: OEMODM
Application: Window
MOQ: one thousand Parts
Good quality: Higher-Good quality
Bundle: Carton Package deal
Packaging Specifics: Internal carton packing,Exterior free steaming tray
Port: HangZhou,HangZhou

Specification

itemvalue
TypeBALL
StructureBearing Pulley
Applicable IndustriesHotels, Garment Stores, Price tag minimal polished shaft rolling ring driving GP3-15B traverse unit Developing Material Outlets, Manufacturing Plant, Equipment Mend Shops, Foodstuff & Beverage Manufacturing facility, Farms, Cafe, Home Use, Retail, Foods Store, Printing Retailers, Construction performs , Vitality & Mining, Food & Beverage Retailers, Promoting Business
Size8*35*18mm(A variety of measurements, support customization)
Model Quantitymultiple design
Precision ScoreP2
Place of OriginChina
ColorVarious Color, assistance customization
FeatureFlexible rotation, no lubrication, corrosion resistance
MaterialNylon, POM
Advise Products Company Profile Certifications Packing & Delivery FAQ 1. Who are we?We are primarily based in ZheJiang , China, start off from 2017,offer to North America(1.00%), CZPT fashion 2-phase air compressor pump CZPT 3-cylinder piston compressor head BWII100T belt drive bare compressor pump Africa(1.00%),Western Europe(1.00%),Southern Europe(1.00%). There are total about fifty one-one hundred people in our place of work.2. How can we ensure high quality?Always a pre-generation sample ahead of mass productionAlways ultimate Inspection just before shipment3.What can you acquire from us?Bearing cage,Bearing pulley,Plastic producs,Miniature bearing,Needle roller bearing4. Why should you get from us not from other suppliers?Hardware pulley supply manufacturing unit,20 years professional bearing pulley experience5. What solutions can we supply?Accepted Delivery Terms: FOB,CFR,CIF,EXW;Accepted Payment Currency:USD,EUR,JPY,CNYAccepted Payment Sort: T/T,L/C,D/P D/ALanguage Spoken:English,Chinese,Spanish,Japanese,French,Italian

pulley

How to use the pulley system

Using a pulley system is a great way to move things around your home, but how do you use a pulley system? Let’s look at the basic equations that describe a pulley system, the types of pulleys, and some safety considerations when using pulleys. Here are some examples. Don’t worry, you’ll find all the information you need in one place!

Basic equations of pulley systems

The pulley system consists of pulleys and chords. When the weight of the load is pulled through the rope, it slides through the groove and ends up on the other side. When the weight moves, the applied force must travel nx distance. The distance is in meters. If there are four pulleys, the distance the rope will travel will be 2×24. If there are n pulleys, the distance traveled by the weight will be 2n – 1.
The mechanical advantage of the pulley system increases with distance. The greater the distance over which the force is applied, the greater the leverage of the system. For example, if a set of pulleys is used to lift the load, one should be attached to the load and the other to the stand. The load itself does not move. Therefore, the distance between the blocks must be shortened, and the length of the line circulating between the pulleys must be shortened.
Another way to think about the acceleration of a pulley system is to think of ropes and ropes as massless and frictionless. Assuming the rope and pulley are massless, they should have the same magnitude and direction of motion. However, in this case the quality of the string is a variable that is not overdone. Therefore, the tension vector on the block is labeled with the same variable name as the pulley.
The calculation of the pulley system is relatively simple. Five mechanical advantages of the pulley system can be found. This is because the number of ropes supporting the load is equal to the force exerted on the ropes. When the ropes all move in the same direction, they have two mechanical advantages. Alternatively, you can use a combination of movable and fixed pulleys to reduce the force.
When calculating forces in a pulley system, you can use Newton’s laws of motion. Newton’s second law deals with acceleration and force. The fourth law tells us that tension and gravity are in equilibrium. This is useful if you need to lift heavy objects. The laws of motion help with calculations and can help you better understand pulley systems.
pulley

Types of pulleys

Different types of pulleys are commonly used for various purposes, including lifting. Some pulleys are flexible, which means they can move freely around a central axis and can change the direction of force. Some are fixed, such as hinges, and are usually used for heavier loads. Others are movable, such as coiled ropes. Whatever the purpose, pulleys are very useful in raising and lowering objects.
Pulleys are common in many different applications, from elevators and cargo lift systems to lights and curtains. They are also used in sewing machine motors and sliding doors. Garage and patio doors are often equipped with pulleys. Rock climbers use a pulley system to climb rocks safely. These pulley systems have different types of pinions that allow them to balance weight and force direction.
The most common type of pulley is the pulley pulley system. The pulley system utilizes mechanical advantages to lift weight. Archimedes is thought to have discovered the pulley around 250 BC. in ancient Sicily. Mesopotamians also used pulleys, they used ropes to lift water and windmills. Pulley systems can even be found at Stonehenge.
Another type of pulley is called a compound pulley. It consists of a set of parallel pulleys that increase the force required to move large objects. This type is most commonly used in rock climbing and sailing, while composite pulleys can also be found in theater curtains. If you’re wondering the difference between these two types of pulleys, here’s a quick overview:

Mechanical Advantages of Pulley Systems

Pulley systems offer significant mechanical advantages. The ability of the system to reduce the effort required to lift weights increases with the number of rope loops. This advantage is proportional to the number of loops in the system. If the rope had only one loop, then a single weight would require the same amount of force to pull. But by adding extra cycles, the force required will be reduced.
The pulley system has the advantage of changing the direction of the force. This makes it easier to move heavy objects. They come in both fixed and mobile. Pulleys are used in many engineering applications because they can be combined with other mechanisms. If you want to know what a pulley can do, read on! Here are some examples. Therefore, you will understand how they are used in engineering.
Single-acting pulleys do not change direction, but compound pulleys do. Their mechanical advantage is six. The compound pulley system consists of a movable pulley and a fixed pulley. The mechanical advantage of the pulley system increases as the number of movable wheels decreases. So if you have two wheels, you need twice as much force to lift the same weight because you need a movable pulley.
The mechanical advantage of a pulley system can be maximized by adding more pulleys or rope lengths. For example, if you have a single pulley system, the mechanical advantage is one of the smallest. By using two or three pulleys, up to five times the mechanical advantage can be achieved. You can also gain up to ten times the mechanical advantage by using multiple pulley systems.
The use of a single movable pulley system also adds to the mechanical advantage of the pulley system. In this case, you don’t have to change the direction of the force to lift the weight. In contrast, a movable pulley system requires you to move the rope farther to generate the same force. Using a compound pulley system allows you to lift heavy loads with ease.
pulley

Safety Issues When Using Pulley Systems

Pulleys have an incredibly unique structure, consisting of a disc with a groove in the middle and a shaft running through it. A rope or cord is attached to one end of a pulley that turns when force is applied. The other end of the rope is attached to the load. This mechanical advantage means that it is much easier to pull an object using the pulley system than to lift the same object by hand.
Although pulley systems are a common part of many manufacturing processes, some employers do not train their workers to use them properly or install protection to prevent injury. It is important to wear proper PPE and follow standard laboratory safety practices during pulley system activities. Make sure any support structures are strong enough to handle the weight and weight of the rope or rope. If you do fall, be sure to contact your employer immediately.

China 2022 New Design Flat Sliding Door And Window Puller Roller Wheel Bearing 625zz Wheel     with Hot selling	China 2022 New Design Flat Sliding Door And Window Puller Roller Wheel Bearing 625zz Wheel     with Hot selling
editor by Cx 2023-07-04

China Plastic steel door and window single wheel bearing floor window sliding door pulley with Best Sales

Guarantee: 1 Yr
Right after-sale Services: On-line technical assistance, Onsite Installation, Onsite Coaching, Onsite Inspection, Free of charge spare components, Return and Alternative
Undertaking Answer Functionality: graphic design and style, 3D model style, complete answer for initiatives, Cross Categories Consolidation
Software: Condominium
Design and style Style: Modern
Content: Chilly rolled steel
Technical specs: Substantial casters
model: Solitary wheel
Packing: Carton
Style: Basic Contemporary
Top quality: Substantial Quaity
Port: HangZhou

Specification

itemvalue
Warranty1 12 months
After-sale ProviderOnline technical help, Onsite Installation, Onsite Instruction, Onsite Inspection, Free of charge spare parts, Return and Substitution
Project Solution Abilitygraphic style, 3D design layout, overall solution for tasks, Cross Groups Consolidation
ApplicationApartment
Design FashionModern
Place of OriginZheJiang , China
Brand NameYM
MaterialCold rolled steel
SpecificationsHigh casters
modelSingle wheel
PackingCarton
StyleSimple Modern day
QualityHigh Quaity
Packing & Supply To far better make certain the security of your goods, skilled, environmentally pleasant, hassle-free and successful packaging solutions will be provided. Business Profile Our firm has 20 many years of experience in the generation and sales of doorway and window hardware add-ons, Specialist Plastic Injection CZPT And Rubber Plastic Injection Molding Approach actively offer clients with technological material and competitive merchandise,to thorough and thoughtful services,to meet customer demands. We are a expert door and window add-ons manufacturing facility, with eighteen years of production and income expertise, we can supply you with the most skilled services and the most favorable prices Why Select Us FAQ 1. who are we?We are based mostly in ZheJiang , China, start from 2571,sell to Domestic Market(52.00%),South The usa(10.00%),South Asia(9.00%),Southeast Asia(8.00%),North America(5.00%),Africa(5.00%),Japanese Asia(5.00%),Central The united states(2.00%),Japanese Europe(1.00%),Mid East(1.00%),Western Europe(1.00%),Northern Europe(1.00%). There are whole about eleven-fifty people in our business office.2. how can we ensure high quality?Constantly a pre-manufacturing sample prior to mass productionAlways closing Inspection ahead of shipment3.what can you purchase from us?Handle,Hinge, Personalized OEMODM Injection Mildew Molding Support Abs Plastic Customized Portion Supplier,Plastic Injection Components Friction Keep,Floor spring,Window lock4. why should you acquire from us not from other suppliers?Our business has eighteen several years of encounter in the production and revenue of doorway and window hardware components,actively offer customers with complex articles and aggressive goods,to thorough and considerate provider,to satisfy customer needs.5. what solutions can we supply?Accepted Supply Terms: FOB,CFR,CIF,EXW,FAS,DEQ,DDP,Categorical Supply,DAF;Accepted Payment Forex:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY, Forged Iron v groove Taper Lock spa150-2-2012 V Belt Pulley For Motor CHFAccepted Payment Kind: T/T,L/C,D/P D/A,MoneyGram,Credit rating Card,PayPal,Western Union,Cash,EscrowLanguage Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian

Overview of Different Types of Pulleys

A pulley is a wheel mounted on a shaft or shaft. Its purpose is to facilitate the movement or change of direction of the cable or taut rope, and to transmit power between the cable and the shaft. Pulleys are typically used for lifting, winding or forklift applications. If you are building your own pulley system, the following design and installation considerations should be followed. This article will give you an overview of the different types of pulleys.
pulley

Pulley System Mechanics

There are many different ways to utilize the mechanism of the pulley system. The most basic pulley system consists of a fixed wheel and a support frame. Both components are connected by ropes or cables used to support the load. A pulley system is effective when the force required to lift the load is less than the weight of the object being lifted.
One way to use a pulley system is to suspend a block with a mass of 0.80 kg on a fixed pulley. Then another person can hang a bucket weighing up to 40kg. The weight of the bucket is transferred to the fixed pulley. The rope is attached to the pulley by a loop or sling. The rope will spin and pull on the barrel or block.
The pulley system is also an important tool for lifting heavy objects. Pulleys are often used in construction equipment to make lifting heavy objects easier. Gun tackles, yard tackles, and stationary tackle systems are common examples of these devices. They use the mechanical advantage of the design to guide the force that lifts the object. If you want to learn more about pulley systems, visit Vedantu. This website will provide you with a full description of the mechanism and its application.

Types of pulleys

Many different types of pulleys are used to lift heavy objects. They change the direction of the force and are an integral part of the cable system. Therefore, pulleys can move large and heavy objects more easily. However, before buying a pulley, you should have an idea of ​​the benefits it brings. Below are some of the most common uses for pulleys.
Conical Pulley: Consists of several small conical pulleys connected to each other. The larger base of one pulley is used to guide the force. Round pulleys are used in the same way as step pulleys. They are widely used in industry and can be purchased at any hardware store. Pulleys are a huge investment, and the benefits they provide far outweigh the cost.
Movable Pulls: These are similar to their names, but work by allowing objects to move with the pull. Their movable parts are attached to the object to be lifted. They are also ideal for lifting heavy loads and can be found in utility elevators and construction cranes. They are also used in many other industries. They can also be made of wood, plastic or metal. The type of pulley you use depends on its intended use.

Mechanical Advantages of Pulley Systems

A pulley system is a simple machine that reduces the effort required to lift heavy loads. This mechanical advantage is proportional to the number of loops. For example, if you have a single rope loop, you must apply equal force to lift the weight. When you add another rope loop, you can lift heavier weights just by applying the same force. Therefore, a pulley system is an excellent way to use gravity to your advantage.
Mechanical advantage is a measure of the effectiveness of a pulley system. This ratio of force to work is called the mechanical advantage. In other words, if the rope system has a large mechanical advantage, it means that it requires less force to lift heavier loads. This advantage is usually measured in kilograms and is the same for all pulley systems. In general, the greater the mechanical advantage, the less effort is required to lift the load.
The mechanical advantage of a pulley system is that a single movable pulley requires half the force to lift an object than a single fixed pulley. Assuming frictionless bearings, the MA of a single pulley system is 2, similar to the MA of a single lever. A single pulley travels twice as much as it takes to move heavy objects manually.
pulley

Considerations when designing and installing a pulley system

The capacity of the pulley depends on the type and diameter of the cable. Besides its diameter, its sheath should also support it well. The basic function of the pulley is also important. However, most people tend to ignore the pulley selection process, resulting in ineffective load-pull capabilities. To avoid such problems, different parameters must be carefully considered during design and installation.
During the design and installation of the pulley system, the ratio of the cable diameter to the largest pulley diameter must be considered. Those who work in the industrial sector will have an idea of ​​this ratio. The greater the D:d ratio, the greater the capacity of the cable to withstand the load. The best way to ensure secure design is to take the right information and use it to design a system that is both robust and secure.
When designing a pulley system, it is important to remember that the pulley needs to have enough power to operate safely. In addition to horsepower, the belt should have sufficient elongation to absorb shock loads. If the elongation of the belt is very small, it is very likely that the teeth will be sheared or broken, causing serious damage to the system. Extensive belt sag should be compensated for by offsetting the driven pulley. Finally, the frame supporting the pulley should be rigid. Otherwise, the non-rigid frame will cause center distance and tooth skipping changes.

Add more pulleys to the system

Adding more pulleys to the spool might have some effect. The friction between the rope and the pulley increases with the number of pulleys, which in practice limits the number of spools. The best solution is to combine the pulleys into one housing. If the load is small enough, adding a few pulleys probably won’t make a difference.
Using multiple pulleys allows a single load to be lifted with half the force required. The longer the rope, the greater the mechanical advantage. In fact, a spool can withstand a load of 100 N. Additionally, adding more pulleys quadrupled the mechanical advantage. In this case, a single 100 N load would require a force of 25 Newtons.
When the rope is used, it stretches as the weight of the object increases. This will make the rope longer, increasing its length and increasing the distance over which the load can be lifted. Eventually, the rope will break and the lifted object will fall. Then you will have to buy a new rope. It may seem like an expensive proposition, but it pays off in the long run.

cast iron pulley

Cast iron pulleys are the most popular choice among industrial users. They are made of solid cast iron and usually cost very little. Their rims are held in place by a mesh that extends from a central boss. They also have spokes and arms that hold them in place. These pulleys are ideal for a variety of applications including fan belts, compressors and conveyors.
V-groove drive pulleys are ideal for general purpose pulleys. It has an inner diameter of one inch and is commonly used in feeders and ventilation curtain systems. Its steel straps prevent rust and ensure it meets or exceeds industry standards. 3-1/2″ cast iron pulleys are also available. In addition to the V-groove drive pulley, there are similar pulleys for power transmission. The V-groove drive pulley is powder coated for added durability.
The cross section of the arm is elliptical, with the long axis twice as long as the short axis. The radius of the arm is equal to the diameter of the pulley. The thickness of the arm is a key factor to consider when purchasing a pulley. If you’re not sure which material you need, you can always consider wooden or steel pulleys. They are lighter and have a higher coefficient of friction than metal pulleys.
pulley

timing pulley

Plastic timing pulleys have many advantages over steel timing pulleys. On the one hand, they are lightweight and corrosion resistant, making them ideal for applications that do not require high torque and tensile strength. Another benefit is their resistance to high temperatures. Plastic timing pulleys are ideal for applications involving flammable gases, solvents or particles. They can last for many years. For more information on the different types of plastic timing pulleys.
Vertical shaft drives require flanged timing pulleys. For large span drives, at least one of these pulleys must be flanged. The flange provides a secure connection to the shaft and prevents ratcheting of the timing belt. Finally, HTD timing belt teeth prevent timing belt ratcheting. These teeth need a large enough space to be seated. However, they can also cause a backlash. These pulleys are not suitable for applications where positional accuracy is critical.
Timing belt systems are designed to avoid such problems. The drive shaft and the driven shaft are aligned with each other. The pulleys are located on different planes and are connected by pitch lines. The pitch line of the timing pulley coincides with the pitch line of the belt. These pulleys are also easier to implement and maintain. It is better to use a synchronous system because the resulting gear system emits less noise than other systems.

China Plastic steel door and window single wheel bearing floor window sliding door pulley     with Best Sales China Plastic steel door and window single wheel bearing floor window sliding door pulley     with Best Sales
editor by czh 2023-02-21

in Tolyatti Russian Federation sales price shop near me near me shop factory supplier OEM Nylon ABS POM Plastic Sliding Window and Door Pulley Wheel with Bearing manufacturer best Cost Custom Cheap wholesaler

  in Tolyatti Russian Federation  sales   price   shop   near me   near me shop   factory   supplier OEM Nylon   ABS   POM Plastic Sliding Window and Door Pulley Wheel with Bearing manufacturer   best   Cost   Custom   Cheap   wholesaler

Our firm pays distinct consideration to customers’ requirements, listening to the specific needs of every consumer and guaranteeing total gratification. With numerous years’ experience in these lines, we have been distinguished from other suppliers in China by our rewards in aggressive pricing, on-time supply, prompt responses, on-hand engineering help and excellent following-sales providers. Keeping in thoughts that great services is the important to cooperating with consumers, we try to fulfill high high quality specifications, offer you aggressive prices and guarantee prompt supply.

Technical specs of EPTT

OEM Nylon / Abdominal muscles / POM Plastic Sliding EPT and Doorway EPT Wheel with EPTT

EPT Kind

We can custom shape,dimension,color material and quantity for plastic pulley as your requirment.
EPT Specification
one. Numerous hardness for your choice.
2. Great abrasion, warmth and oil resistance.
three. Good anti-growing older efficiency and gas tightness.
four. Simplicity of bonding to other materials.
five. Outstanding oxygen and ozone resistance.
6. Non-flammable,self-extinguish.

EPT PA,PA6,PA66,PP,PE,LDPE,EPTTPE,UWEPTTPE,PTFE,POM,Stomach muscles,or Customized Compound
(Any custom compound plastic is obtainable)
Dimension According to samples or drawings
EPTT Black,white,red,eco-friendly,transparent or any colour in accordance to Pantone shades
Finish EPT Gloss,Fantastic Grain,Electroplating,Painting,EPT,Texture and so on,or as request
Type Round,sq.,rectangular,or any nonstXiHu (West EPT) Dis.Hu (West EPT) Dis.rd condition as ask for
Brand Debossed,embossed,printed symbol or as request

Displaying of EPTT

Parameters of EPTT

Much more information of deep groove ball bearing 608

Item No. Boundary Proportions(mm) Fundamental load scores(Lbf) Fat(Lb.)
d D B EPTT Static
Open up ZZ/2RS Cr Cor
603 3 9 3 5 128.fourteen 35.97 .00198
604 4 12 4 4 218.06 eighty.ninety three .00462
605 five 14 5 five 292.twenty five one hundred ten.sixteen .0077
606 6 17 6 six 508.07 166.36 .01276
607 seven 19 six six 526.05 two hundred.08 .01672
608 8 22 seven 7 741.87 303.forty nine .0264
609 9 24 7 seven 764.35 325.97 .571
623 three 10 4 four 143.88 forty nine.forty six .0044
624 four 13 5 5 294.five one hundred ten.16 .0066
625 5 16 5 5 395.66 152.87 .0088
626 six 19 6 6 526.05 198.96 .0176
627 seven 22 7 7 753.11 314.seventy three .0308
628 eight 24 8 eight 899.23 357.forty four .571
629 9 26 eight 8 1571.88 438.38 .571

EPTT ampDelivery

EPTT

A. plastic box outer carton pallets
B. plastic bag box carton pallet
C. tube package deal middle box carton pallet
D. Of system we will also be dependent on your wants

Delivery

one.Most orders will be delivered in 3-5 daEPTTof payment being EPTd.
two.Samples will be delivered by courier as FedEx,UPS,DHL,and so on.
3.Much more than 3000 established bearings, it is recommended to be transported by sea (sea transportation).

Our Principal EPT

Our EPTT

EPTTngdao Stream Group Ltd is a expert maker of bearings, EPTing collectively production and processing, domestic and overseas trade. The manufacturing unit EPTTizes in the production and export of numerous kinds of bearings: deep groove ball bearing, spherical roller bearing, EPTTred roller bearing, and so on. The EPT bearings is also suitable and the creation will be according to your needs and samples.

All bearings in our manufacturing facility undertake global good quality stXiHu (West EPT) Dis.Hu (West EPT) Dis.rds. The total products, strict high quality control, EPTd Japanese EPT and quality support supply a guarantee to supply the substantial-top quality bearings for our customers. Domestic product sales and support network has protected 15 major metropolitan areas in EPTT, in the meantime our bearing has sold far more than 60 overEPTT nations around the world and regions.

Our bearings have been extensively utilised in EPT, textiles, mining, printing and EPTT EPTT, in addition to apps in airports, air conditioning systems, conveyors and ship also applied.

If you are intrigued in any of our bearings or have an intention to buy, please feel free to get in touch with us.

FAQ

SAMPLES
one.Samples quantity: 1-ten pcs are available.
two.Free of charge samples: It depends on the model NO., substance and amount. Some of the bearings samples need to have client to shell out samples charge and shipping EPT.
three.It really is EPT to start your orEPTTwith EPT Assurance to get entire defense for your samples get.

Tailored
The EPT Symbol or drawing is appropriate for us.

MOQ
one.MOQ: ten pcs combine distinct stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd bearings.
2.MOQ: 5000 pcs EPT your manufacturer bearings.

OEM Policy
one.We can printing your brand name (symbol,artwork)on the protect or laser engraving your brand name on the protect.
two.We can personalized your EPTT in accordance to your layout
3.All copyrigEPTT own by consumers and we promised do not disclose any data.

SUPORT
Remember to go to our Clunt bearings website, we strongly encourge that you can connect with us by means of e mail,many thanks!

Make contact with Us

Rebecca
-1995717105

We have all sorts of bearings, just inform me your product number and amount,greatest price tag will be offered to you before long
The material of the bearings, precision ranking, seals type,OEM support,and so on, all of them we can make in accordance to your requirement

  in Tolyatti Russian Federation  sales   price   shop   near me   near me shop   factory   supplier OEM Nylon   ABS   POM Plastic Sliding Window and Door Pulley Wheel with Bearing manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Tolyatti Russian Federation  sales   price   shop   near me   near me shop   factory   supplier OEM Nylon   ABS   POM Plastic Sliding Window and Door Pulley Wheel with Bearing manufacturer   best   Cost   Custom   Cheap   wholesaler