Tag Archives: roller chain strength

China Professional 08B ISO Standard Stainless Steel Industrial Transmission Roller Chain with High Tensile Strength for Drving Machine

Product Description

Product Description

1. Standard  :  ISO /DIN /ANSI 
2. Model       : 25-1; 35-1; 40-1; 50-1; 60-1; 80-1; 1/8822 0571 -57152031              Fax: 86~/8822 0571 -57152030

     
Http://kasinchain      

 

 

           

Standard or Nonstandard: Standard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car
Surface Treatment: Oil Blooming
Structure: Roller Chain
Material: Stainless Steel
Type: Short Pitch Chain
Samples:
US$ 8/Meter
1 Meter(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

roller chain

What are the differences between ANSI and ISO roller chain standards?

ANSI (American National Standards Institute) and ISO (International Organization for Standardization) are two widely recognized standards for roller chains. Here’s a detailed answer to the question:

1. Designation and Nomenclature: ANSI and ISO roller chains have different designations and nomenclature. ANSI chains typically use a three-digit number to denote the pitch size, while ISO chains use a four-digit number. The nomenclature for chain sizes and dimensions may also vary between the two standards.

2. Dimensions and Tolerances: ANSI and ISO roller chains may have slight differences in dimensions and tolerances. While the basic design principles are similar, there may be variations in the allowable tolerances for pitch, roller diameter, plate thickness, and other critical dimensions.

3. Load Capacity and Strength: ANSI and ISO standards have different approaches to determining the load capacity and strength of roller chains. The formulas and methods used for calculating the maximum allowable load and ultimate strength may differ between the two standards.

4. Interchangeability: ANSI and ISO roller chains are generally not interchangeable. The differences in dimensions, tolerances, and load capacity calculations make it important to use chains that conform to the specific standard required by the application.

5. Regional Adoption: ANSI roller chain standards are widely used in North America, while ISO standards are more commonly adopted in Europe and many other parts of the world. The regional preference and market availability may influence the choice of standard in different applications and industries.

It’s important to consult the specific ANSI or ISO standard documents for detailed information on the requirements and specifications of roller chains. Additionally, working with suppliers or manufacturers familiar with the applicable standards can help ensure the proper selection and use of roller chains in accordance with the desired standard.

roller chain

What are the limitations of using roller chains in certain applications?

Roller chains are versatile and widely used in various applications, but they do have some limitations to consider. Here’s a detailed answer to the question:

1. Speed Limitations: Roller chains have a practical speed limit due to factors such as chain length, centrifugal forces, and roller-to-sprocket engagement. At high speeds, the centrifugal forces can cause excessive chain vibration and increase wear, potentially leading to chain failure. In such cases, alternative power transmission systems like gears or belts may be more suitable.

2. Precision Requirements: Roller chains require proper alignment and tensioning for efficient operation. In applications that demand high precision, such as precision machinery or robotics, the inherent flexibility and slight elongation of roller chains may not meet the desired accuracy requirements. In such cases, alternative systems like timing belts or direct drive solutions may be preferred.

3. Environmental Limitations: Roller chains may not be suitable for certain environments with extreme temperatures, corrosive substances, or high levels of contamination. Harsh conditions can accelerate chain wear, reduce lubrication effectiveness, or cause corrosion. In these situations, specialized chains with appropriate coatings or alternative power transmission systems may be necessary.

4. Noise and Vibration: Roller chains can generate noise and vibrations during operation, particularly when not properly tensioned or maintained. In applications where noise or vibration is a concern, such as in noise-sensitive environments or precision machinery, additional measures like chain tensioners, vibration dampening, or alternative drive systems may be required.

5. Size and Space Constraints: Roller chains have a certain physical size and require appropriate clearance for installation. In applications with limited space or tight packaging requirements, alternative power transmission systems like compact belts or direct drives might be more suitable.

It’s important to carefully evaluate the specific requirements and constraints of each application when considering the use of roller chains. Alternative power transmission systems may be more suitable in certain cases, and consulting with experts or manufacturers can help determine the best solution for the intended application.

roller chain

What are some common causes of roller chain failure?

Roller chain failure can occur due to various factors. Here’s a detailed answer to the question:

1. Insufficient Lubrication: One of the primary causes of roller chain failure is inadequate lubrication. Insufficient lubrication leads to increased friction, heat generation, and wear between the chain’s components, such as pins, bushings, and rollers. Over time, this can cause the chain to seize up, deform, or break.

2. Contamination: Contamination of the roller chain with dirt, dust, debris, or foreign particles can accelerate wear and increase the risk of failure. These contaminants can penetrate the chain’s joints, causing abrasive action and reducing the effectiveness of lubrication. Contamination can also cause corrosion, leading to weakened chain links.

3. Misalignment: Improper alignment of the sprockets and other drivetrain components can cause excessive side loading, uneven wear, and accelerated fatigue on the roller chain. Misalignment can result from improper installation, worn sprockets, or misaligned shafts, and it can lead to premature chain failure.

4. Overloading: Subjecting the roller chain to loads beyond its rated capacity can cause stress and fatigue, leading to chain failure. Overloading can occur due to improper application design, sudden shock loads, or continuous operation near or beyond the chain’s maximum load limit.

5. Wear and Fatigue: Over time, roller chains experience wear and fatigue due to normal usage. As the chain articulates around the sprockets, the pins, bushings, and rollers undergo cyclic stress, which can lead to wear, elongation, and eventually chain failure if not addressed through regular maintenance and replacement.

6. Corrosion: Exposure to corrosive environments, such as high humidity, chemicals, or saltwater, can cause corrosion on the roller chain. Corrosion weakens the chain’s structural integrity, leading to reduced load-carrying capacity and increased susceptibility to failure.

Proper maintenance, including regular lubrication, cleaning, inspection for wear and alignment, and avoiding overloading or exposure to harsh environments, is crucial to prevent roller chain failure. Timely replacement of worn or damaged chains and addressing any underlying issues that contribute to chain failure is essential for ensuring the reliable and safe operation of machinery or equipment.

China Professional 08B ISO Standard Stainless Steel Industrial Transmission Roller Chain with High Tensile Strength for Drving Machine  China Professional 08B ISO Standard Stainless Steel Industrial Transmission Roller Chain with High Tensile Strength for Drving Machine
editor by CX 2023-09-08

China Hot selling Black Drag Chain Steel Lifting Chain High Strength CZPT Chain roller chain assembly

Product Description

Applicable Industries Hotels, Building Material Shops, Food & Beverage Factory, Farms, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Advertising Company
Place of Origin ZheJiang , China
Brand Name OEM
Certification IOS DIN
Warranty 1 Year
W.L.L(T) 11-55
Level G80
Material Alloy

1.Alloy chain is designed and manufactured for superior performance and usage.
2.It can easy withstand more abuse, abrasion resistance, greater load lifting per size.
3.It is lighter to handle for operations.
4.Material alloy steel, heat treated and proof tested.
5.Tougher and more reliable for lifting application.
6.Minimize downtime operation and more durable surpassed safety record.
7.Finish: Available with self-coloured, black tempered, blue painted, and red painted.
8.Permanently embossed with desired marking for easy identification and traceability.

 

Usage: Transmission Chain, Lifting Chain
Material: Alloy
Surface Treatment: Polishing
Feature: Heat Resistant
Chain Size: 1/2"*3/32"
Structure: Welded Chain
Customization:
Available

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Customized Request

chain

What is a drive chain?

A drive chain is a wheeled device that transmits power from one gear to another. The drive chain is usually an oval ring around a corner or worm gear. On the other hand, idler pulleys do not transmit power and are not used to move the chain. In some cases, drive chains can be used with idler pulleys to transport objects. This allows the drive chain to recover some power from the second gear.

conveyor chain

There are many types of conveyor chains to choose from. One type is a closed joint chain. It consists of the barrel and connecting rod, made from a single casting and heat-treated for high strength and durability. Conveyor chains typically have low running speeds and are typically made of malleable iron. Another type of chain is the power transmission chain, which is used to transmit mechanical power. They feature efficient lubrication and are stronger than conventional conveyor chains.
Roller chain pitches can range from half an inch to a third of an inch. They are available in steel and nickel-plated steel. They can be used with inline or staggered rollers and can be designed with different pitch levels. They can also have bushings between the chainplates or gaps between the teeth to increase their maximum spacing. When choosing a conveyor chain, remember to properly lubricate bearing surfaces to minimize power absorption, wear, and corrosion. Mineral oils of medium viscosity are suitable for normal operating temperatures. SAE 20W50 is suitable. Manufacturers also offer self-lubricating chains.
Conveyor chains are used in many industries. The automotive industry has traditionally used these chains for bulk transport. Their reliability and low cost make them an excellent choice for a variety of applications. CZPT Chains offers stainless steel and CZPT conveyor chains to meet your unique requirements. If you’re in the market for a new conveyor, don’t forget to shop around. CZPT Chain can help you find the perfect one.
The regular drive version consists of an ASME/ANSI roller chain wrapped around a driven sprocket. It can also be configured for variable rpm. The gear ratio between the two parts determines the reduction or increase in speed. In some cases, solution chains can be used. Roller chains are more efficient. Then, there are solutions for both cases. There are many types of conveyor chains to choose from.
Conveyor chain pitch also plays an important role in performance. The smaller the pitch of the chain, the faster it spins. On the other hand, a smaller pitch will require more teeth on the sprocket, which means more links will be engaged during the movement. This smaller articulation angle also produces smoother motion. It also reduces vibration. Therefore, CZPT Chains can be trusted for a long time.

roller chain

The performance of a drive chain depends on how well it is maintained and lubricated. Careful attention to detail is required when selecting a roller chain, which is one of the most important components in a drive chain. Its proper lubrication and assembly will significantly affect its wear life. Here are some important tips to follow when buying a roller chain:
The size of the drive chain should be selected according to the sprockets used. The large sprocket should have at least 25 teeth, and the small sprocket should have fewer teeth. The pitch of a drive chain is the contact angle between the chain and the sprocket. The smaller the sprocket, the smaller the contact angle of the two parts. Larger sprockets are better, but smaller sprockets must never have fewer teeth.
When purchasing a roller chain, be sure to consider the maximum speed of the small sprocket. This will determine how much lubrication you need. Different lubrication systems have different requirements. Manual lubrication limits how many feet per minute the drive chain can run, while oil bath lubrication can get you up to 1100 ft/min. The only way to maximize drive chain speed is to purchase a pump lubrication system.
Once you have the right length, you can determine if you need a new one. To do this you have to move the axis to measure the length. Once the length is determined, the drive chain should be removed from the sprocket and measured using the ANSI specified measuring load. You should also follow safety guidelines when measuring your chain. If you want to maximize the life of your drive chain, be sure to follow these tips.
Another important consideration is the type of environment you operate in. For applications that need to avoid rubbing steel rails, it is best to use a roller chain that can withstand a clean indoor environment. Although roller chains are generally more durable, they must be stored properly to avoid corrosion. If you care about the environment, consider opting for double chain. Its durability and low maintenance costs will make it a valuable investment in your business.

closed pivot

Closed-end pivot drive chains are used in a variety of applications. They are known for their durability, high strength, and long life. They are available in a variety of grades, including grade 400, grade 600, and grade 800 pivots, which can withstand the high forces required for certain applications. Enclosed pivot chains can be used to lift, pull, convey and transfer heavy loads.
Class 400 closed-end pivot chain features one-piece cast offset link construction. Steel pins connect each link and are prevented from rotating by head stops. This design allows the pin to connect inside the barrel without breaking. This type of chain is the most commonly used and has the highest durability. In addition to being extremely durable, it offers long-lasting performance and smooth operation.
Another closed-end pivot conveyor chain drive is called a power drive chain. These chains consist of barrels and links used to transmit rotation from one shaft to another. The barrels of the closed-end pivot chains are made of steel, which allows them to run easily on the sprockets. Block drive chains are used for low-speed applications, but they can be noisy when the chain is in contact with the sprockets.
The enclosed pivot drive chain has rollers on both ends to minimize wear. These chains are usually made of steel and can be used in areas where high-speed power transmission is required. They are also available in heavy-duty versions. Unlike other types of chains, steel pivot chains are designed for a variety of applications. They are suitable for heavy-duty applications and their open barrel design allows for minimal contact with the pins in the barrel and the root of the sprocket.
chain

Linear chain

CZPT is an important part of linear drive technology. This type of chain is capable of delivering real power in tight spaces. Typically, loads are moved by pulling or pushing. CZPT can perform both types of movements. They can push and pull additional loads. This type of chain can also be wound and stored in the magazine. It is a popular choice for small machine tools and many other uses.
Unlike traditional mechanical chains, CZPT uses a push-pull strategy to move heavy objects. It is a rigid locking design that prevents kinking and allows the chain to transmit force without bending. The CZPT is an excellent choice for moving large loads and is particularly versatile in power transmission. However, CZPT is more expensive than traditional drive chain options.
The service life of a linear chain depends on its design, material type and size. You may want to buy a good quality chain, but it’s not necessary in all cases. While superior quality can extend the life of the chain, it may not be necessary for low-speed drives or very light shock loads. If you’re not dealing with high-velocity shock loads, you probably don’t need features like oil reservoirs or bushing grooves.
The size of the drive sprocket can have a major impact on the overall life of the linear chain. It determines how fast the chain can go and how much horsepower it can produce. An 11-tooth chain will hit about half its rated speed, but only about 30 percent of its rated horsepower. You can extend the life of your linear chain by choosing a drive sprocket with a higher number of teeth. It is best to choose a drive sprocket with a high number of teeth, but make sure the number of teeth is even. This will ensure that your chain wear is evenly distributed.

China Hot selling Black Drag Chain Steel Lifting Chain High Strength CZPT Chain   roller chain assemblyChina Hot selling Black Drag Chain Steel Lifting Chain High Strength CZPT Chain   roller chain assembly
editor by CX 2023-04-23

China Custom High Strength U. S. /U. K/German Stainless Steel/Carbon/Alloy Steel Link/Tire Chain for Boom/Anchor/Mine/Load/Antiskid with CE/ISO/Mtc/BV/CCS Certificate conveyor roller chain

Product Description

High Strenhtg CZPT Lifting Chain:

Size: 6mm-42mm

Material: Alloy steel, high tensile, heat treated.

Surface treatment: Galvanized, Black painted, Self color, Polishing, Powder coated

Color: Self color, Red , grey, green, as to your request

Application: Ship, iron and steel industry, petroleum chemical industry, coal mine

The product has passed the environmental management system certification, and can handle the product certification of CZPT classification societies such as CCS, LR, DNV, etc. The product has high strength, light weight, exquisite design, strong versatility, diverse functions, and convenient safety inspection

Technical Specification( Load chain): 

Size(mm) Min inside width Max outside width Weight(kg/m) working load(KN) test load(KN) test load(KN)
6*18 7.5 21 0.79 11 27 45.2
7*21 9 24.5 1.07 15 37 61.6
8*24 10 28 1.38 20 48 80.4
9*27 11.5 30 1.9 24.5 61 102
10*30 12.5 35 2.2 32 76 125
12*36 15.5 42.2 3.3 49 117 196
13*39 16.3 46 3.8 50 128 214
14*42 18 49 4.13 63 150 250
16*48 20 56 5.63 80 192 320
18*54 23 63 6.85 100 246 410
20*60 25 70 8.6 125 300 500
22*66 28 77 10.5 153 366 610
24*72 32 82 12.78 180 432 720
26*78 35 91 14.87 213 510 650
30*90 38 105 19.6 283 678 1130
32*96 40 106 22.29 322 772 1289
34*102 46.5 121.5 25.5 363 870 1450
36*108 49.5 128.5 31 407 978 1630
38*114 52 136 32 453 1086 1810
42*126 55.5 144.5 38.6 554 1332 2200

Lifting chain  standard

Lifting chain application High precision calibration face, lifting chain.
Lifting material High quality alloy steel.
Lifting chain surface Polishing, black , dipped plastic ,electroplate.
Lifting chain manufacturing standard ISO3077,EN818-2,AS2321
Lifting chain strength  standard Level 80 ,level 70,level 30
Lifting chain safe ensuience Four times as safe, 4 times test load

Product Details

01 Material

Alloy steel, high tensile, heat treated.

02 Light Weight

Exquisite design, convenient use and safety testing.

03 Application

Ship, iron and steel industy, petroleum chemical industy, coal mine.

04 Famous Certification

Can apply for the certification of CCS, LR, DNV and other CZPT classification societies.

05 Various Color

Red, grey, green, as to your request.
 

This is just a part of our products. If you want to know more about our products and models, please send us an email

Company Profile

Founded in 1998, HangZhou Fuster Rigging Co., Ltd., formerly known as Xihu (West Lake) Dis. Chain Factory, is located in Xihu (West Lake) Dis. County of ZheJiang Province known as “The Gem City of China”, and specializes in producing and marketing chain and rigging related products at home and abroad.

Our company has independent import and export operating rights, and can handle the certifications of CCS, LR, DNV and other famous classification societies for products. Our products are sold to dozens of countries such as Europe, America and Middle East as well as more than 10 provincial and municipal regions in China, and are widely applied to the fields of ships, steel, petrochemical industry, coal mine, etc.

In the principle of “Quality-honoring & Promise-keeping”, our company meets the requirements of all the customers through service innovation, changes the original production state through technical innovation, improves the product quality through process innovation, and continuously goes to standardization, elaboration, process and scientification through the business thought of constant innovation.
Absolute CZPT will move a heart of stone. Our company is willing to cooperate with domestic and foreign new/old customers in utmost sincerity, to create a common future!
Our Advantages:
1.Rich experience for international business
2.Prompt delivery

3.Quality control
4.Small orders are acceptable
5.Strong ability for R&D
“Soliciting clients in earnest, Win reputation by quality.”For a long time, we attach great importance to the friendly cooperation with customers, ensure quality and service, cherish the honor, so as to win the trust and support of customers.Extensive cooperation with friends, sharing prosperity, has become our most sincere pursuit.

Quality Assurance & Inspection:
We guarantee the quality,not just because we have a complete rigorous management, production and inspection processes to control the quality and avoid detail mistake, but also we attach much importance to customers’ satisfactory of product quality. What’s more, Mill Test Certificate can be provided for general products, and most of our products are approved by CCS, ABS, DNV, BV, NKK, KR, LR, GL, RINA etc.

How do we control quality:
a) Pay attention to adaptation for manufacture process 
b) Approval report for shipment 
c) Third party inspection is accepted
d) Keeping quality guarantee for a long period
e) Guaranteeing quality inspection of each product before assembly and packing.

f) Comply with ISO 9001

Packaging & Delivery:

Packing details: 
Bulk packing
Packed in wooden cases
Packed in Iron drum, then in pallets
According to your requirements

Delivery Detail: Usually 30 days after receiving your irrevocable L/C or advance payment. 

FAQ

1.How long is your delivery time?
A: Generally it is 5-10 work days if the goods are in stock. or it is 15-20 work days if the goods are not in stock, it is according to quantity.

2.What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.

3.What products do you supply?
As mentioned above, HangZhou CZPT Factory is capable of supplying:
√All kinds of marine supplies
√Chains
√Rigging hardwares
√Fasteners
√related hardwares

4.How do I receive the goods?
With our professional transport agents, we are capable of delivery products to most ports all over the world.Door-to-door service is also supported.
FOB, C&F, CIF are most commonly used trade terms.

5.Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.

6.Where are you? Can I visit you?
A: Sure,welcome to you visit our factory at any time.

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Usage: Transmission Chain, Drag Chain, Conveyor Chain, Dedicated Special Chain, Lifting Chain
Material: Alloy
Surface Treatment: Baking Paint
Samples:
US$ 0/Meter
1 Meter(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

chain

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.

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 Custom High Strength U. S. /U. K/German Stainless Steel/Carbon/Alloy Steel Link/Tire Chain for Boom/Anchor/Mine/Load/Antiskid with CE/ISO/Mtc/BV/CCS Certificate   conveyor roller chainChina Custom High Strength U. S. /U. K/German Stainless Steel/Carbon/Alloy Steel Link/Tire Chain for Boom/Anchor/Mine/Load/Antiskid with CE/ISO/Mtc/BV/CCS Certificate   conveyor roller chain
editor by CX 2023-04-21