Why choose us
Our Product
Our main bolt seal, plastic seal, cable seal,meter seal, ear tag, cable tie, padlock seal, container lock, metal belt seal we can provide free samples, product color and size are customized, manufacturers direct sales of a variety of models are in stock.
Advanced Equipment
Our company has professional production of more than 360 blockade equipment, covering an area of more than 10,000 square acres, become a comprehensive and capable enterprise integrating R&D, design, production and sales.
Application
Products are widely used in customs, ports, logistics, postal services, supermarkets, banks, oil companies, security, electricity, animal husbandry and other industries.
Quality Control
We have professional personnel to monitor the production process, inspect the products and ensure that the final product meets the required quality level standards, guidelines and specifications.
Security Seals, many of which comply with the ISO 17712 standard. Choose from multiple lengths to meet your needs.
Our numbered plastic seals provide tamper protection for a wide range of applications, with each seal uniquely numbered for easy identification and tracking.
Disposable plastic seal are disposable tamper proof and tamper evident seals, which can pull tight and with adjustable length.
Self locking plastic seal, non-adjustable strapseal. The seal is closed once the tip of the seal has been slotted into the head. Laser print.
The Plastic Seall Trucks is a fixed-length security seal, providing the most secure and reliable method for securing trailer doors and transportation equipment.
1) Anti-counterfeiting, tamper-proof, durable.
2) Waterproof, dustproof, corrosion-resistant and high-temperature resistant, with good insulation.
Tamper proof tags seals Free samples. Adjustable length. ISO 17712 certification. Custom color, custom logo bar code seal. Heavy duty safety seal.
Fire extinguisher plastic seal is used to seal the fire extinguisher anti-counterfeiting, tamper-proof security seal.
Plastic seals help protect goods from tampering and cargo theft. Plastic security seals, plastic truck seals and container seals!
What is Plastic Security Seals
Plastic security seals are ideal for helping to secure and protect your shipments, containers and equipment from tampering and theft. They're also great for securing moving components during transport.
The advantages offered by plastic security seals are among the best on the market. Although they cannot be used to lock freight containers, they are highly useful and reliable. Here are a few of their benefits:
Cost-Effective
Plastic seals are inexpensive, with millions available at a very low cost.
Easy Availability
You can easily purchase plastic security seals from reputable and approved vendors, whether you need a thousand or just a few.
Customizable
Plastic security seals can be tailored to your specifications.
Improved Supply Chain Visibility
Digital plastic security seals enhance visibility, as they can be tracked via RFID tags and other tracking features, allowing your supply chain management team to monitor them as needed.
Tamper-Evident
High-quality plastic seals reduce the likelihood of theft and pilferage. Even if someone attempts to steal the goods, the security seal slows down the process. Additionally, if the seal has digital elements, you will receive immediate notifications of any theft.
Types of Plastic Security Seals
Adjustable-Length Plastic Security Seals
Adjustable-length seals are the most versatile of plastic seals in that they come in a variety of lengths and strengths, and can be cinched tight to effectively secure objects. These multi-purpose seals are used across a variety of industries, including the transportation, airline, supply chain, logistics, and loss prevention industries. Their adjustability, as well as their extensive print area, makes them a practical solution for a multitude of purposes, including securing trailers, railroad cars, cabinets, ballot boxes, evidence, and valuables-in-transit.
Fixed-Length Plastic Security Seals
Fixed-length seals deter tampering by featuring a highly-visible and secure single locking position at a specified length. The most common versions of these seals are truck seals, twin tote seals, and padlock seals, which provide an excellent tamper-evident security solution. Fixed-length seals are especially effective and popular in the transportation, supply chain, logistics, and loss prevention industries, particularly where the print area requirements are minimal.
Fixed-Length vs. Adjustable-Length
Fixed-length seals, whether plastic truck seals, twin tote seals, or padlock seals, are considered more tamper-evident due to their single locking position, which offers a more easily visible check on the integrity of the seal. Although adjustable seals have excellent tamper-evident features, users must be aware of the need to cinch the seal as tightly as necessary for the particular application to eliminate any circumvention of a loose seal. In addition, if the adjustable-length seal is not cinched tight, it leaves itself open to someone cutting it off, getting into which is now unsecured, and then reapplying the (now shorter) security seal.
Padlock Plastic Security Seals
A plastic padlock security seal is a specific type of fixed-length seal which is commonly used to secure meters, cabinets, catering carts, and drums. These uniquely shaped fixed-length seals feature a larger print area for displaying additional information, and an exacting fit for certain applications. Padlock seals have become the seal of choice for discriminating users in many security-conscious industries, such as airlines, food service, medical, and pharmaceutical.

How to choose the colour of Plastic Security Seals?
Plastic Security Seals are available in different colours (white, blue, yellow, red, green, orange etc.) This can be very useful to categorise secure equipment, for example: yellow for fire extinguishers, blue for medical cabinets, green for defibrillators, white for doors, black for electricity meters.
Use bright colours to make equipment visible and secure in dark places or far from the eye.
In addition to the colour, it is possible to personalise the security seals with your logo, numbering, barcode for more security and to optimise your company's image.
So When Are Plastic Security Seals?
Transport & Logistics
Plastic tamper seals are commonly used within transport and logistics as a method of reducing access to sealed freighters, trucks and trailers. If you are an transport company and have inconsistencies with cargo, seals can provide a method to determine if tampering or theft has occurred. The plastic seal for the freight trailers act as a tamper-evident indicator that goods are being accessed before they have reached their destination.
Anti-Tamper Fire Extinguisher Seals
Any company operating within a public or private premises must provide fire safety devices such as fire extinguishers which must be regularly checked to ensure conformity to the requirements of the EN-3 and safety regulations. Within EN-3 regulation, the safety requirements mentioned is the presence of seal that holds the pin of the extinguisher to prevent tampering and certify that the extinguisher cartridge is intact. The seal must therefore not be missing or broken during an inspection, otherwise it would be evidence of a breach.
Meter And Utility Seals
Plastic meter seals are also commonly used to secure electricity or water meters in companies and private homes to prevent Padlock Meter Sealsfraudulent activity on electricity or gas supply. Therefore, it is recommended to add a small indicative seal to provide tampering evidence and serve as a certificate of compliance for that meter.
Here are some tips for using security plastic seals effectively:
Choose the Right Seal
Select security plastic seals that are appropriate for the type of cargo and transportation conditions. Consider the strength, durability, and weather resistance of the seals.
Proper Application
Apply security plastic seals correctly to ensure their effectiveness. Follow the manufacturer's instructions and make sure that the seals are properly tightened and secured.
Regular Inspection
Inspect security plastic seals for any signs of tampering or damage. If a seal is compromised, it should be replaced immediately.
Record Keeping
Maintain accurate records of seal numbers and their application to specific cargo. This information can be helpful in case of investigations or disputes.
Combine with Other Security Measures
Use security plastic seals in conjunction with other security measures, such as GPS tracking and motion sensors, to enhance cargo security.
Things to Look For in a Plastic Security Seal
Before placing your order for plastic seals, it's important to consider several valuable factors. Not all plastic security seals are the same; you need to find the one that best fits your needs.
Plastic Quality
When choosing plastic seals, the first thing to check is their quality. This is crucial because the quality of the plastic determines the durability and strength of the seal.
Unfortunately, many manufacturers produce plastic container seals made from low-quality materials. As a result, these seals are easily breakable and can hardly endure light pressure. Therefore, ensure you verify the plastic quality before placing an order.
We highly recommend opting for plastic seals made from polypropylene, nylon, or polystyrene. These materials can easily withstand extreme temperatures, pressure, and ever-changing weather conditions.
Tamper-Proof
Purchasing a plastic container seal that is not tamper-proof is like getting a lock that can be opened with any key.
Make sure to buy a plastic tamper-evident seal to protect against theft and loss. These seals often come with unique identification numbers or features that make them easily distinguishable.
With these features, you can verify the plastic tamper-evident seals upon delivery and check whether they have been tampered with.
Strap Type
The next factor to consider is the strap type of the plastic container seal. Generally, there are two types of straps: fixed and adjustable.
Fixed straps have a specific shape and cannot be altered, while adjustable straps are more flexible. However, fixed straps provide maximum security due to their strong locking mechanism and can demonstrate clear evidence in the event of tampering.
On the other hand, adjustable straps may not offer as much security due to their flexibility. Therefore, you must secure the seal properly to avoid any loose knots. Although they are not as secure as fixed straps, adjustable straps allow for additional features such as UID numbers, QR codes, etc.
Technological Features
While plastic tamper seals made from premium-quality plastic provide good protection, the security level increases further when you incorporate technological features.
How Do You Remove Plastic Security Seals?
Removing plastic security seals should be done carefully and in accordance with the intended purpose of the seal. The primary goal of security seals is to provide evidence of tampering or unauthorized access.
Cutting with Scissors or a Cutter:
Use a pair of scissors or a cutter to carefully cut through the plastic seal. Cut as close to the locking mechanism as possible without damaging the item being secured.
Bolt Cutter:
For stronger plastic seals, such as bolt seals, a bolt cutter may be used. Position the cutter jaws around the metal locking part and apply force to cut through the seal. Be cautious to avoid damaging the underlying surface or the container.
Breaking the Locking Mechanism:
Some plastic seals have a snap-off design or a breakaway feature. Apply pressure or force to the locking mechanism until it breaks, allowing the seal to be removed.
Twisting and Breaking:
In some cases, plastic seals can be twisted and manipulated until the locking mechanism breaks. This may be done by hand or with the assistance of a tool.
Freezing:
For certain plastic seals, freezing the seal may make it more brittle, facilitating easier removal. Once frozen, the seal can be broken or cut more easily.
Use of Special Tools:
Some security seals require specialized removal tools provided by the manufacturer. These tools are designed to safely and efficiently remove the seals without causing damage.
Heat Application:
For seals with a heat-resistant design, applying heat using a heat gun or other heat source may soften the plastic, making it easier to cut or break.
It's important to note that removing security seals without proper authorization or legitimate reasons may be illegal and can compromise the integrity of the secured items. Always follow established procedures and guidelines for the removal of security seals to avoid unintended consequences.
Our Factory
Shandong Yuston New Material Co., Ltd.Quality supplier is located in the beautiful coast of Bohai sea - Dezhou, China. It is an integrated and high-level enterprise with the ability to research and development, design, produce, and sales; and it has professional factory which produce plastic seals, stopcock, cable seals, meter seals, bolt seals, RFID electronic seals, plastic cable seals, containers, and GPS seals. Yutong is an excellent manufacturer and exporter of security seals in China.


FAQ
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Length |
500/650mm |
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Diameter |
4mm |
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Weight |
7.91g |
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Colors |
Yellow, red, green, blue, support custom colors |
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Service |
Free sample |
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Logo |
Support customization |











