Tag Archives: gold rope chain

China 10mm 8mm 7mm 5mm thick Rope chain gold filled necklace chunky hip hop jewelry PVD gold silver plating gift for men boy kid women double roller chain sprockets

Error:获取session失败,

chain

What to look for in a roller chain

There are many different factors to consider when purchasing a roller chain. One of the most important factors is tensile strength, which represents the force required to break the chain. Roller chains are available in three different tensile strengths: minimum, average and ultimate. Each strength reflects a different limit to the load the chain can handle. However, these limits are not always equal and you should be aware of the differences between roller chains.

Canonical chain

Most roller chains have standard sizes printed on the side panels. This is usually “40” or “C2080H”, but can also be the letter “B”. If the chain is old, it will need to be cleaned to see its size. You can find the size on the standard roller chain size chart, but not everyone is marked. To determine the size, measure the diameter and pitch of the chain, then compare the results to the chart to see what size you need.
Heavy-duty roller chains are available with heat-treated pins, side plates, and rollers. In addition to being heat treated, they are also factory pre-stretched, which reduces wear on these parts. If properly maintained, they can last for years, reducing the risk of failure or corrosion. Depending on the application, standard roller chains are available in different sizes. It can be purchased separately. There are several options to choose from, depending on the size and strength of the application.
PEER roller chains contain solid rollers to reduce shock loads on the sprocket teeth. Heat treating and preloading all components of the PEER chain helps minimize initial elongation. Hot-dip lubrication ensures complete lubrication of all chain components, extending their life and reducing maintenance costs. For heavy-duty applications, ASME/ANSI-B29.1 chain is a good choice.
Standard roller chains are made of steel or alloy steel. However, it can be made of other materials such as stainless steel. In addition to steel, stainless steel is often used in food processing machinery where chain lubrication is an issue. Brass and nylon are also sometimes used. However, they are not that popular. Therefore, you should always check with your supplier before purchasing. By comparing the tensile strength of two different chains and making an informed decision, you can get the best price and service.

Chain without bushing

Bushless roller chains have advantages over conventional roller chains. Unlike conventional chains, bushless chains have extensive lateral flexibility, which increases the chain’s lubrication flow. The inner plates of bushless chains have protruding shoulders so the oil can flow through them more easily and efficiently. This is an important characteristic of a smooth-running chain. Additionally, bushless chains may have improved shifting performance.
The strength of a bushingless roller chain is measured in terms of tensile strength and fatigue strength. The former measures the load a chain can withstand before breaking. Fatigue strength is equally important, and factors that affect fatigue strength include the steel used to make the chain components, the pitch hole fabrication, the type of shot peening on the chain, and the design and thickness of the chain. For example, if the chain is too thin, it may not be enough for heavy-duty applications.
Like traditional roller chains, bushingless roller chains have two different types of links. The inner link has two inner plates connected by pins, while the outer chain has two outer plates held together by bushings. A bushingless roller chain is similar to a traditional chain, except it eliminates a step in the assembly process by stamping the tube into the inner plate. So if you want a smoother ride, a bushingless roller chain is a better choice.
There are two different sizes of bushingless roller chains. One size is designed for use with standard single-strand chains, while the other size is designed for use with double-strand or triple-strand chains. Bushless chains are generally shorter than conventional chains, so they can fit in tighter spaces. Bushless chains are made of the highest quality materials. These chain attachments are case hardened for optimum strength and durability.

Mute chain

The silent roller chain has a smooth, low-noise drive. They are made of stacked rows of flat chainplates with a gear-like profile that meshes with the sprocket teeth. Each chainplate is attached to a corresponding sprocket, which also allows the chain to bend. While these basic components are the same for every silent roller chain, there are many variations that allow them to be used in a variety of applications.
The most popular high-speed transmission, silent chains feature gear-like sprockets. They can be made from single or multiple strands of material. Single-strand chains are less expensive than multi-strand chains, but they tend to wear out faster if not lubricated. Single-strand roller chains can be used for years without lubrication, but for your application, wide silent chains are still worth considering.
The design and construction of silent chains make them ideal for conveying a wide variety of products. They have flat, heat-resistant surfaces. They are also durable and non-slip. They are available in a variety of pitch sizes, widths, and mounting styles. Whether you need chains for general purpose conveyors or glass bottle transport applications, we have you covered. Ask about the benefits of silent roller chain conveyors.
Inverted tooth chains are another option for quieter chains. These chains are designed to reduce noise from engine-related friction. Silent chains are more common, and manufacturers have fallen in love with them. A silent chain consists of several links connected to the sprocket teeth. Teeth rotate to reduce noise, vibration, and chord action. These are the main reasons why silent chains are so popular.
chain

ANSI chain pitch

To measure your bike’s chain pitch, you can use a caliper. This measurement is taken from the center of the rolling pin to the center of the next rolling pin. Chains come in many sizes, but ANSI is the most common chain standard in the United States. A caliper is handy if you’re not sure which size to buy, as it allows you to check for worn sprockets.
Chains that meet ANSI standards will be characterized by a certain pitch. This measurement is based on the width and spacing of the roll. The spacing is usually greater than the width. The standard number will be the right number for the width of the chain or the left number for the rollers. The number on the left indicates whether the chain is lightweight or heavyweight. Heavyweight chains are designated by the suffix “H”.
Common chain sizes are based on ANSI chain pitch. Pitch is the minimum distance between bushing and sprocket. The smaller the chain pitch, the greater the total distance between the two points. This means the chain will last longer. However, if you are buying a chain for a specific application, you should check the pitch carefully as it can affect the performance of the chain.

Roller chain wear measurement

The purpose of roller chain wear measurement is to prevent breakage by monitoring the strain on the chain. There are several ways to measure roller chain wear. The first is to remove the chain from its working position and measure the distance from the sprocket to its measuring end. Another way is to measure the pitch of the chain or the distance between two pins. This method is superior to other methods because it is convenient and accurate.
When measuring the wear of a roller chain, it is important to note that the elements of the chain will gradually deform. About 3.75% of the total wear will be on the pins and the rest will be on the internal links. These wear measurements will vary based on the nominal pitch of the chain and the amount of friction the chain is experiencing. Proper lubrication between pins and bushings, load and frequency of articulation all affect wear rates.
It is important to measure the amount of wear on the roller chain to avoid excessive machine failures. The longer the chain runs, the more wear it will wear. Although the length of the chain should be less than the center distance, the excessive load will cause premature wear. Therefore, lubrication is essential. Additionally, the sag of the chain should not exceed 2% to 4% of its center-to-center distance. Finally, check for unusual noise or visible defects. A common cause of excessive roller chain wear is the size of the load. Every chain manufacturer sets a maximum workload for its product.
There are several ways to measure roller chain wear. If using a high-speed drive, it should have at least 11 teeth, and a medium-speed drive should have at least 25 teeth. Also, be sure to check the length of the chain, even if you should. The same goes for the pin diameter, which should be the same or different pitch as the roller chain.

China 10mm 8mm 7mm 5mm thick Rope chain gold filled necklace chunky hip hop jewelry PVD gold silver plating gift for men boy kid women     double roller chain sprocketsChina 10mm 8mm 7mm 5mm thick Rope chain gold filled necklace chunky hip hop jewelry PVD gold silver plating gift for men boy kid women     double roller chain sprockets
editor by CX 2023-04-25

China Wholesale Custom 2mm 3mm 4mm 5mm Stainless Steel Plated 14K 18K Gold Vermeil Thin Rope Chain Necklace Twisted Rope Gold Chain roller chain assembly

Merchandise Description

                                           

>>> More goods

>>> Packaging:

  •  1pair/zipper bag, place into bubble bag, then, carton box outdoors.
  •  Also can pack in accordance to your ask for.
  •  Provide customized bundle, only if you tell us the material you want, we can locate package deal materials for you.
  •  Also can design and style the deal for you if you necessary.

>>>Shipping:

  • Guide time for the current style: 2 days for inventory order, 7 times for simple standard items, ten-fifteen times for widespread styles.
  • Guide time for ODM design and style: 7 days for sample, 15 times following the sample confirmed.
  • Shipping techniques: DHL, UPS, FEDEX, TNT, SF Categorical, etc.

>>>Jewelry Ideas:
    
Every person’s sweat, perfume, cosmetics, and washing substances will trigger the corrosion of jewellery. So, it is inescapable that jewelry will be oxidized, but our method can hold off the oxidation process much more than the ordinary method on the market. The gold plating process we do is vacuum gold plating, which has a far better antioxidant influence than the regular drinking water plating procedure on the industry.

FAQ                                                                                                                                                                 

Q1: Can I print our symbol on the merchandise and change the shade of the products?
A: Yes, we acknowledge OEM provider.

Q2: Can I get a sample?
A: Of system, but you might require to pay out a sample charge which will be returned right after any purchase is signed.

Q3: What is the sample lead time & production direct time?
A: The stock sample is 1-3 times, producing the sample 7-15 workdays following getting your sample charge.
Based on your buy amount, the production lead time is about 7-30 times.

This autumn: What are your payment phrases?
A: We can take TT and Paypal.

Q5: What are your phrases of shipping and delivery?
A: FedEx/DHL/UPS/TNT/EMS for sample.
  By air/sea/train for batch items, Airport/port /station acquiring.
  Customers specifying freight forwarders or negotiable delivery methods.

Q6: What certificates do your products have?
A: Most of our goods have CE, RoHS, FCC, etc. Don’t worry about the quality!
 

US $2-5
/ Piece
|
50 Pieces

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Material: 925 Sterling Silver
Plating: Silver, Gold
Pendant Shape: Round

###

Samples:
US$ 40/Piece
1 Piece(Min.Order)

|

Order Sample

###

Customization:
US $2-5
/ Piece
|
50 Pieces

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Material: 925 Sterling Silver
Plating: Silver, Gold
Pendant Shape: Round

###

Samples:
US$ 40/Piece
1 Piece(Min.Order)

|

Order Sample

###

Customization:

Pin chain conveyor

The choice between roller chains and friction drives depends on the usage environment. Roller chains are more resistant to dirty environments and are more suitable for conveying bulk products. The pivot chain is designed to handle highly bulk products. Ideally, the center-to-center distance between the two axles should be thirty to fifty times the chain pitch. The size of the sprocket will depend on the usage environment, which will also determine the fatigue strength and resistance of the chain.

Roller chains are more resistant to dirty environments

There are some key differences between drive chains and roller chains. The most notable difference is in the materials. Drive chains are generally more durable than roller chains. However, both chains are prone to dirty environments. While solution chains are sometimes used for heavy-duty tasks, roller chains are often used in dirtier environments. In fact, drive chains are often used when the job is very dirty and the chain has to slide on the rails.
The new lubricant used on the roller chain attracts dirt and other debris to the surface of the chain and prevents lubricant from entering the load-carrying parts of the chain, such as hinge plates, bushings, and rollers. When dust is drawn into these components, lubricants, and dirt form an abrasive paste that accelerates wear.
Lube-free roller chains keep chains clean longer. This makes it easier to specify and install in areas with strict hygiene requirements. CZPT lube-free roller chains meet NSF-H1 lubrication standards. However, lubricated roller chains are still suitable for areas where food contact is unlikely.
Stainless steel roller chains are particularly resistant to acids, alkalis, and low-temperature environments. Since stainless steel is softer than carbon steel, lubricants are not as effective at preventing dirt from entering the chain. Stainless steel roller chains have a higher strength rating than standard chains, but are not as strong as chains made from carbon steel. If you are using a roller chain in a very dirty environment, you should use a stainless steel chain.
chain

A stud chain is more efficient than a friction drive

The present invention relates to a light-duty double-ended chain that is more efficient than conventional chains. Stud chains are made by die-forging bar steel into roughly the-shaped links. This method avoids loss of shear strength due to bending and also minimizes the welded portion. The double-headed chain is light in weight and has strong resistance to fatigue damage.
This chain type has a stud-style design. Stud-shaped design provides greater tensile strength and prevents tangling. Each stud is formed by die forging and is usually shaped like an e or th. However, it is not necessary for each stud to have a uniform cross-sectional shape. Different cross-sectional shapes can be used depending on the application.
Stud chains are more efficient than friction drives because the studs in the chain are integrated. Stud links resist large breaks. Its applications are in conveyor chains and fisheries. Wear tested on boat chains made of SBC material. In the process, bolt chains were found to be more efficient than friction drives. Its applications are rapidly expanding.
Double-ended chains are more efficient for high-load applications. It features studs throughout its internal width to prevent kinking. Chains of this type are commonly used for heavy lifting machinery. Other types of chains are roller chains, power transmission chains, and bushing roller chains. These types of chains are also widely used in motorcycle, bicycle and transportation applications. In addition to being more efficient, stud chains also have fewer wear problems than friction drive chains.
A study on the difference between wear percentage and friction time showed that stud chains are more efficient than friction drives. The friction strips were measured at the beginning of the test. Take it off after 6 hours, 10080 times, and take pictures with the same diameter. As a boundary value, the diameter of the friction strip is smaller than that of a conventional chain. This shows that the present invention has better wear resistance than friction drives.
chain

Shaft chains designed for conveying bulk products

Pivot chains are versatile conveyors used in many applications. Low back type, small backrest distance, rear opening design to prevent the product from sticking to the joints and causing stiffness. Stainless steel and carbon bushing pin chains do not have pre-rotating rollers. In contrast, bucket elevators do not use pivot chains.
CZPT pin chains provide unmatched performance in agricultural and industrial machinery. They are constructed from a single cast barrel and are connected by hardened steel pins. CZPT’s steel pivot chains are strong enough to withstand the corrosive environments of agricultural and industrial applications. The steel pins in the CZPT Pintle Chain are hardened and riveted to ensure long-term durability and optimum performance.
Lifeguard chains feature patented interlocking side links that reduce gaps between adjacent side panels. They can withstand a variety of applications and will never break under pressure. These chains are available in 1/2” and 1” pitch configurations. CZPT combines both types of pin chains to achieve the best of both worlds. CZPT features dual pin chains and pin joints to increase chain durability and reduce maintenance hassles.
CZPT’s engineering team can custom design pivot chains for your specific application. Designed for specific speed, friction, temperature and wear requirements, these chains are ideal for a variety of applications. Headquartered in Milwaukee, Wisconsin, the company operates on two strategic platforms: Food and Beverage and Industrial Applications. The products of these companies are used in food, energy and manufacturing.

China Wholesale Custom 2mm 3mm 4mm 5mm Stainless Steel Plated 14K 18K Gold Vermeil Thin Rope Chain Necklace Twisted Rope Gold Chain     roller chain assemblyChina Wholesale Custom 2mm 3mm 4mm 5mm Stainless Steel Plated 14K 18K Gold Vermeil Thin Rope Chain Necklace Twisted Rope Gold Chain     roller chain assembly
editor by czh 2023-01-09

China European and American Gold Silver Punk Cuban Hip Hop Double-Layer Chain Jewelry Accessories Rope Mask Chain Reading Glasses Sunglasses Chain Glasses Chain bush roller chain drive

Merchandise Description

                                             Welcome to our organization

MOQ In Stock: 20Pieces
Out Of Inventory: 100pieces
OEM are accept,we are maker.
Packing opp bag, or as customer’ s request
Standard export carton
As customers request
Payment Paypal, Western Union, T/T,relies upon on distinction region. 
Delivery Delivery  approach: by  air by  DHL, EMS, UPS, TNT, Fedex.
Delivery  time: 3-7days
Remarks
Positive aspects 1. Cheapest price– Have our very own store and factory 2. Exquisite design and style 3. reduced MOQ & blended orders 4. Prompt supply 5. Excellent following-sale support 6, Best-seller in Usa, European

Packaging & Shipping and delivery

Company Profile

 

FAQ

1.What is actually your edge?
A: CZPT business with aggressive cost and expert provider on export approach.

two. How I imagine you?
A : We contemplate CZPT as the lifestyle of our organization, we can explain to you the make contact with data of our some other clients for you tocheck our credit score. In addition to, there is trade assurance from Alibaba, your get and funds will be properly assured.

3.Can you give guarantee of your items?
A: Indeed, we increase a a hundred% satisfaction promise on all things. Please truly feel free to feedback immediately if you are not pleased with our top quality or provider.

4.Where are you? Can I go to you?
A: Positive,welcome to you visit our manufacturing facility at any time.

five.How about the shipping and delivery time?
A: In 15-35 times after we validate you need.

6.what kind of payment does your organization support?
A: T/T, Moneygram, Western Union and Alibaba On the internet are all acknowledged if you have other payment,you should contact me.
 

US $1.05-1.59
/ Piece
|
50 Pieces

(Min. Order)

###

Material: Alloy
Plating: Silver, Gold
Pendant Shape: Geometry
Suitable for: Female, Male, Elderly
Style: Fashion
Usage: Decoration

###

Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

MOQ In Stock: 20Pieces
Out Of Stock: 100pieces
OEM are accept,we are manufacturer.
Packing opp bag, or as customer’ s request
Standard export carton
As customers request
Payment Paypal, Western Union, T/T,depends on difference country. 
Delivery Delivery  method: by  air; by  DHL, EMS, UPS, TNT, Fedex.
Delivery  time: 3-7days;
Remarks
Advantages 1. Lowest price– Have our own shop and factory 2. Exquisite design 3. low MOQ & mixed orders 4. Prompt delivery 5. Excellent after-sale service 6, Best-seller in USA, European
US $1.05-1.59
/ Piece
|
50 Pieces

(Min. Order)

###

Material: Alloy
Plating: Silver, Gold
Pendant Shape: Geometry
Suitable for: Female, Male, Elderly
Style: Fashion
Usage: Decoration

###

Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

MOQ In Stock: 20Pieces
Out Of Stock: 100pieces
OEM are accept,we are manufacturer.
Packing opp bag, or as customer’ s request
Standard export carton
As customers request
Payment Paypal, Western Union, T/T,depends on difference country. 
Delivery Delivery  method: by  air; by  DHL, EMS, UPS, TNT, Fedex.
Delivery  time: 3-7days;
Remarks
Advantages 1. Lowest price– Have our own shop and factory 2. Exquisite design 3. low MOQ & mixed orders 4. Prompt delivery 5. Excellent after-sale service 6, Best-seller in USA, European

Different types of drive chains

Drive chains are an important part of many different types of machinery. In this article, we’ll cover a variety of different types, from square links to engineered steel. From there, we’ll discuss different types of chains, such as double and leaf chains. Let’s take a closer look at each one. Once you know what kind of chain you’re looking for, you can make a buying decision. If you’re not sure where to start, read on to learn more about these types of chains, what to look for when choosing, and how to choose the right chain for your specific application.
chain

Engineering Steel Chain

Engineering steel chains are widely used in conveyors, bucket elevators, tensioning links, transmission chains, etc., and have the characteristics of high strength, low friction, and good shock resistance. Early models of these chains were developed for difficult-to-convey applications. They were originally made of all-steel components with flanged rollers made of cast iron. They then increase in size, strength, and spacing in response to the heavy-duty requirements of the industry.
Today, these chains are used in a wide variety of applications, including tough oil drilling operations and forklifts. They offer excellent durability and high power transfer and are available in a variety of materials. They are also ideal for harsh environments such as harsh oil drilling. Their high-strength steel construction means they can handle harsh operating conditions. Their durability is an essential feature of any chain, and CZPT Chains offers a full line of engineered steel chains to meet your exact specifications.
A drive chain made of engineered steel consists of several components: links, pin joints, and sprockets. This allows them to carry heavy loads with minimal stretch. Due to its internal mechanical advantage, the chain runs around the sprockets with almost 100% efficiency. Also, the chain is made of special steel that can withstand certain conditions. They are available in different alloys and grades. If you have any questions, please feel free to contact us.
Roller chain wear is a major problem for conveyor and drive chains. In these cases, the rollers of the chain are more prone to wear than the bushings, so lubrication is essential. Many chains are designed to work with little or no lubrication. Finally, material selection is an important factor in the design of engineered steel conveyor chains. These factors will help ensure that the chain stays in good shape.

Conveyor Chains with Square Links

There are two basic types of conveyor chains. The first is the square chain, commonly used in cranes and hoists. It’s cheap to manufacture but more prone to overload. The second is a chain that uses hook joints or detachable links. These are used for short-term power transmission and have a lubricating effect. Usually, they are made of malleable iron but can be more expensive.
Another type of chain is the removable steel chain. For moderate loads, this is an easy-to-install option. The closed end of the tab should face the sprocket. It is very important to maintain the alignment of the chain relative to the sprockets. The chain should be adjusted to suit the load before installation. It is important to keep the chain lubricated to prolong its life.
Steel chains offer a wider selection of materials and heat treatments. This chain is also more accurate than its counterpart. Steel bushing chains are less expensive but require more frequent lubrication. Steel roller chains are often used for long conveyor centers or high loads. However, lower friction requirements require lower strength chains. This means that chains with square links are a better choice for smaller conveyors. But this style has its drawbacks.
Bushing chains are made of steel and are an excellent alternative for small-scale applications. The pins are silent and prevent tooth damage. Bushed roller chains are also used to a certain extent as conveyor chains. However, the main advantage of the bushing roller chain is that it does not make any noise at all. Bushed roller chains are made of alloy steel and are suitable for very low-speed applications.
chain

double chain

Double-strand roller chain, also known as a double-strand, consists of two rows of single-strand links. It has high impact strength, low weight, and a small form factor. Duplex roller chains are manufactured using CZPT technology, which uses solid rollers to improve sprocket tooth rotation and reduce shock loads. During the manufacturing process, the metal is heat-treated to increase strength and reduce corrosion.
A single chain is designed for a single sprocket, while a double chain consists of two identical chains connected side by side. Double chains are more durable than simple chains because double rollers contain roller bearings, pins, and other components. Simplex drive chains can handle high loads, while duplex drive chains are designed for medium-duty applications.

leaf chain

Blade chains are used in reciprocating devices such as forklifts. They are also used in machine tools for counterweight chains. Leaf chains come in a variety of lengths, usually with female or male ends. Leaf chains can be manufactured in even or odd pitches and are ideal for lifting and balancing. This article will introduce some key uses of leaf chains in drive chains. Additionally, we’ll discuss how they are made and how they behave in applications.
Most drive chains today are made from leaf chains. These chains are designed to increase the strength of the chain. However, they are less expensive than other types of chains. You can also purchase specialized leaf chains for certain applications. CZPT Chain also offers custom leaf chains for your unique needs. Leaf chains are commonly used in forklifts, material handling, and lifting applications. They are usually made from high-quality components. The BL1688 Leaf Chain has 8 x 8 laces and is sold in 10-foot boxes or 25- to 100-foot reels. The leaf chain can be cut as needed.
When selecting a leaf chain for a specific application, consider the minimum tensile strength of the chain. The minimum breaking strength must be high enough to protect the worker or machine, but must also be legal for the type of machine. Most manufacturers publish this minimum strength requirement. To make the most durable leaf chain, design engineers must consider the ISO4347 standard when choosing the right leaf chain. Leaf chain manufacturers tend to exceed international standards by about 20%.
chain

roller chain

Roller chains are made from a variety of materials. Some common materials include steel and stainless steel. The most suitable material depends on cost, environmental conditions, and horsepower transmission design. Chain manufacturers can optimize the material for the intended use. Depending on its size, spacing, and special construction techniques, it can be made lighter or heavier. This is an advantage for applications in noise-sensitive environments. Below are some examples of common uses for roller chains.
The wear of the components in a roller chain is an unavoidable part of its operation. The amount of elongation depends on factors such as lubrication, load, and the frequency of articulation between the pin and bushing. Manufacturing critical wear parts require careful attention to detail. Proper raw materials, manufacturing, and assembly are critical to product performance and longevity. If these components aren’t of high quality, they won’t last as long as the chain should.
The industry recommends measuring the wear elongation of the roller chain to determine when it needs to be replaced. Proper safety procedures must be used to measure chain tension. The tight span of the chain shall be measured by applying the measuring load specified by ANSI. A correctly measured roller chain is safe to use. For motorcycles, the chain is bigger and stronger. Often, toothed belts are replaced by shaft drives because they are less noisy and require less maintenance.
Tensile strength is the most commonly used measurement method for roller chains. This measurement represents the amount of load the chain can withstand before it breaks. Fatigue strength is another measure of durability. Fatigue strength measures how long a roller chain can withstand long-term use before failing. These two measurements are closely related and maybe the same or different. In addition to tensile strength, fatigue strength is a useful factor to consider when purchasing a chain.

China European and American Gold Silver Punk Cuban Hip Hop Double-Layer Chain Jewelry Accessories Rope Mask Chain Reading Glasses Sunglasses Chain Glasses Chain     bush roller chain driveChina European and American Gold Silver Punk Cuban Hip Hop Double-Layer Chain Jewelry Accessories Rope Mask Chain Reading Glasses Sunglasses Chain Glasses Chain     bush roller chain drive
editor by czh 2022-12-07