Why Choose Us
Yoseal products covered the high security seals, plastic seals, container bolt seals, cable seals, metal seals, meter seals, padlock seals, bar seals, etc. Yoseal products are used all over the world. It is suitable for shipping containers, logistics, oil trucks, trailers, doors, meters, etc. Most of the High security seals & container seals are ISO/PAS 17712:2013 certified.
Your professional manufacturing factory of Plastic Security Seal supplier in China
Professional Team
Yoseal can offer professional service for each customer. Relying on its own powerful technology, professional team, good relationship and accurate positioning.
Competitive Price
We are specialized manufacturer and exporter of high quality container security seals for about 20 years, competitive price can be offered.
Quality Control
"Quality First, Service First" is the tenet of our factory. We have IQC, IPQC, and 100% inspection for each Plastic Seal. The quality of the plastic seals can be guaranteed by the branded raw material.
Custom Service/
Accept ODM/OEM service
ODM/OEM are available, we have experienced designers can add logo & bar code & serial numbers as customers required. Contact us now and make your design real!
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Simple Tear-off Label Plastic Security SealsY-016 is a pull-tight plastic seal with tear-off. With a strap size of 236mm x 2mm , this variable-length seal is made of high-quality plastic and has a robust stainless steel locking mechanism forread more
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Adjustable Plastic SealYoseal 2.0mm diameter, 360mm total length, pull-tight plastic security closure with metal insert Y-053. The adjustable plastic seal is a versatile pull-tight seal made of polypropylene materials. Theread more
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Numbered Plastic Seal LockYoseal 2.0mm diameter and 260mm total length, pull tight numbered plastic seal lock metal inserted Y-052. The numbered plastic seal is a versatile pull-tight seal manufactured from Polypropyleneread more
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Fire Extinguisher Plastic SealYoseal 2.6mm diameter 240mm total length fire extinguisher plastic seal or first aid tamper proof seal Y-056, is a fire extinguisher plastic seal, without metal clip inserted. Useful length isread more
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Plastic Security Seals ManufacturerJiashan Yoseal Smart Technology Co., Ltd is specialized in producing security seals, has over 10 years of industry leadership experience. Yoseal can offer professional customized service for eachread more
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Plastic Security Seals For ATMTamper-evident mechanisms, such as security seals, are used to protect important materials and belongings from unauthorized access in a room, cabinet, car, or similar storage location. Commonly,read more
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Plastic Security Seals For Cash BagsThe seal is two components multipurpose high security seal.Modern multi-purpose pull-up type seal made of high quality polypropylene, equipped with a metal clip locking insert. Personalized markingread more
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Plastic Security Seals For TankersThe seal can be pulled tight, thus the length of the loop can be adjusted to any desired length within the overall operating limit. This type of seal is used for a wide range of applications fromread more
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Twist Plastic Meter SealsWire security seals are perfect to be used on galvanized wire and/or plastified wire and they're frequently used in the refinery and oil distribution sector. The instructions to close are simple:read more
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Pull Tight Plastic Seals For TruckThe seal design features two separate locking mechanisms within the locking housing, which allows the user to double lock the seal by inserting the strap into the hole with the embossed arrows.read more
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Numbered Security Plastic SealsThe seals are versatile, strong, easy to use, and are a fully adjustable plastic seal. Fastened by feeding its flat strap through the locking mechanism from the side embossed with the word ‘INSERTread more
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Plastic Tag SealsThe plastic tag seals are one of the most practical bag seals for high-security applications. It features a unique and easy-to-apply metal locking device. The ribbed pattern on the seal cap andread more

What is Plastic Security Seal
Plastic Security Seal are tamper-evident mechanisms that seal valuable material in a room, cabinet, vehicle, or other storage facility. One common use is to seal cargo in transit shipping containers in a way that provides tamper evidence and some level of rudimentary security. Such seals can help to detect theft or contamination, either accidental or deliberate. Plastic seals are commonly used to secure truck trailers, vessel containers, chemical drums, airline duty-free trolleys, and utility meters. Typically they are considered an inexpensive way of providing tamper evidence of intrusion into sensitive spaces.
What Are Advantages & Features Of Plastic Seal
Plastic seals features ribbed cord in varying lengths. Helps protect against tampering & theft. Yoseal Plastic Seals with high quality and competitive price. Customized color, logo, serial number, bar code or QR code are available.
Adjustable Length
Yoseal plastic seals have different length and tape diameter, which allow users to adjust the length to suit their requirements of different tasks. Customized length are available too.
High Quality & Competitive Price
Yoseal manufacturing factory has a complete production line, so that we can control the cost and quality of our security seals more accurately. We always insist on using branded raw plastic material.
Multiple Application
Our plastic seals involve many industries such as food, banks/Cash in Transit, Chemicals, Utilities, Airlines, Post/Courier services, Customized Solutions, Transport. And our service are all over the world.

Different Locking Mechanisms
Yoseal plastic seals mostly inserted with metal clips locking mechanisms, which make it has stronger locked power. We also have plastic inner inserted seals or without any inserted seals locking mechanisms choice.

Easy To Use
Yoseal plastic security lock seals are easy to use and high resistance seal. Smooth strap is user friendly and easy to pull-up. Plastic Seals have the characteristics of fast binding, self-locking, and convenient use.

Withstand Harsh Conditions
Yoseal plastic security seals are waterproof, dustproof, corrosion-resistant and cold-temperature & high-temperature resistant, with good insulation.
What Are The Most Common Plastic Seal Types?
Our line of high quality, tamper-evident plastic strap security seals are offered in a variety of lengths and breaking strengths to match specific security needs. This includes adjustable length seals, beaded pull-tight seals and fixed length seals. For additional convenience, there are options to order custom colors, printing and barcoding. All of our Plastic Seals are set at affordable prices and made in China, allowing for fast and dependable delivery.
Variable Length Plastic Seal
Variable length plastic seals can be used for a variety of tasks, including securing the neck of a bag or mail sack, as well as sealing chemical drums, first aid kits, online-sold fashion items for trying on before returning, fire extinguishers, car fuel tanks, and any other object requiring tamper evident access.
Fixed-Length Plastic Seal
Fixed-length plastic seals are more tamper resistant than variable-length seals. Lock has a simply‘click’ mechanism, making them easier to fit than variable-length seals. For transport purposes, a fixed length tamper evident seal is frequently used as a single-use security solution.

Pull-Up Plastic Seal
Pull-up security seals is a disposable tamper-evident security seal that prevents unauthorized access to closed items. In circumstances where the employment of more sophisticated security seals is required, the tightening security seal is required.
Plastic Seal With Wire
Plastic seals with wire are security seals made in one of two styles: adjustable length and fixed length with metal wire attached to the plastic lock.
Padlock Plactic Seal
Padlock plastic seals are typically supplied as a basic padlock seal look-alike made entirely of plastic. They are technically categorized as a security seal with a defined length. The security sealing of the airline’s food carts and duty free carts for tamper obvious action on protected commodities will be the primary use of this category of security seals.

Plastic Meter Seals & Twist Seals
Plastic meter seals are used to seal electricity & gas meters, water meters, as well in a variety of other industrial metering applications. Twister seals are anchor seals are among the numerous varieties we provide, each with its own set of benefits and applications. To prohibit access to safety-critical valves and connectors, our connection locks can be used in conjunction with our meter seals.
Common materials of Plastic Seal
Yoseal Plastic Seals mostly are made from polypropylene plastic or PE plastic materials, some models are with metal clips inserted.
Polypropylene Plastic
Also called PP plastic, this is the second most extensively used plastic. It is known for being durable, robust, and resistant to many external factors. It has many benefits: biological resistance, water resistance, fatigue resistance, Insulation, high melting point, costly effective and recyclable, etc.
Polyethylene Plastic
Also called PE plastic, is the most widely used commodity plastic. Polyethylene’s many benefits include: low cost and easy availability, can be used as electrical insulation, chemically resistance, easy to process for injection molding, tough and wear resistant, can be produced in strong, thin films, etc.
What are the Applications of Plastic Seals?

Plastic seals are a versatile security seal that provide a tamper-evident solution for theft and interference. They are used across almost every major industry and for a variety of applications such as online-sold fashion items for trying on before returning, banks, foods, emergency exits, medicine cabinets and utility meters.

Variable length plastic seal can be used for a variety of tasks, including securing the neck of a bag or mail sack, as well as sealing chemical drums, first aid kits, fire extinguishers, car fuel tanks, and any other object requiring tamper evident access.

Plastic security seals are commonly used for transportation and short-term damage prevention measures. Plastic type of seals are very cost-efficient and if you consider security versus cost, you would choose a high security cable seal or bolt seal (container seal). They are suitable to transport and logistics, containers etc.
Manufacturing Process of Plastic Seal

1. Branded New Material

2. Color maching

3. Injection

4. Assembling

5. Inspection

6. Marking

7. Packing

8. Pallet
Components of Plastic Seal
Plastic seal components of plastic tape, plastic tag which can be printed, most have metal clip inserted. Some plastic security seals have tear-off, such as model Y-014, Y-016, Y-040, Y-043, Y-029, Y-025. The diameter and length of Yoseal plastic seals are varied, our plastic security seals’ tape diameter: 2mm, 2.7mm, 3.5mm, 3.8mm, 4mm, 6mm, 7mm, 10mm; and plastic seals’ total length: range from the shortest length 165mm model Y-013 to the longest length 580mm model Y-020.
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Y-008 |
2 |
238 |
PP |
√ |
|
|
Y-013 |
2 |
165 |
PP |
√ |
|
|
Y-014 |
2 |
170 |
PP |
√ |
√ |
|
Y-015 |
2 |
170 |
PP |
√ |
|
|
Y-016 |
2 |
236 |
PP |
√ |
√ |
|
Y-027 |
2 |
300 |
PP |
√ |
|
|
Y-035 |
2 |
166 |
PP |
√ |
|
|
Y-040 |
2 |
400 |
PP |
√ |
√ |
|
Y-043 |
2 |
360 |
PP |
√ |
√ |
|
Y-036 |
2.7 |
230 |
PP |
||
|
Y-017 |
3.5 |
250 |
PP |
√ |
|
|
Y-018 |
3.5 |
350 |
PP |
√ |
|
|
Y-019 |
3.5 |
500 |
PP |
√ |
|
|
Y-020 |
3.5 |
580 |
PP |
√ |
|
|
Y-031 |
3.8 |
230 |
PE |
||
|
Y-032 |
3.8 |
307 |
PE |
||
|
Y-033 |
3.8 |
380 |
PE |
||
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Y-034 |
3.8 |
457 |
PE |
||
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Y-028 |
4 |
360 |
PP |
√ |
|
|
Y-029 |
4 |
360 |
PP |
√ |
√ |
|
Y-037 |
4 |
200 |
PP |
||
|
Y-038 |
4 |
300 |
PP |
||
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Y-039 |
4 |
400 |
PP |
||
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Y-024 |
6 |
418 |
PP |
√ |
|
|
Y-025 |
6 |
418 |
PP |
√ |
√ |
|
Y-049 |
7 |
385 |
PP |
||
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Y-050 |
7 |
465 |
PP |
||
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Y-001 |
10 |
188 |
PP & PE |
How to cooperate with us

01
Send Us The Logo
We kindly request that you provide us with the detailed requirements of the plastic seals you need, including color, total length, tape width. And printing contents, such as logo, bar code, QR code, serial number etc.

02
Draft Design
After checking your detailed requirements, our factory experienced designer will do many samples printing with your company logo, serial number, bar code or QR code for your reference first.

03
Machining And Production
We start to process plastic seals, involving raw material preparing, injection, assembly, inspection, print marking, and packing.

04
Professional Shipping
If you have own agents in China, we may send the goods to them, what you need to do just provide us with their contact information. Our cooperated freight forwarder can also arrange the delivery if needed.
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What are the different types of plastic seals?
Plastic seals manufactured by Yoseal can be multiple types. Pull-through, pull-tight, tail, twist, wire indicative security seals which offer high quality and a low-cost solutions for a wide range of security and tamper-evident sealing applications.
How does plastic affect seals?
Plastics pollution has a direct and deadly effect on wildlife. Thousands of seabirds and sea turtles, seals and other marine mammals are killed each year after ingesting plastic or getting entangled in it.
How to remove plastic security seal?
There are several ways to remove a plastic seal:
By crushing: with a suitable pair of pliers. 130 mm sealing pliers. ...
By notching: thanks to the acetal insert and the notched rod, the progressive tightening locks the rod definitively in its place. ...
Anti-return insert: this metal insert locks the smooth rod in the hole.
How does plastic seal work?
How do plastic seals work ? Plastic seals are usually a notched plastic tie with a tag at the end to record the identification number. This seal is inserted into a passageway and is closed by sliding the plastic tie through the hole at the end.
Why are security seals important?
In courier services, security seals are essential for tracking packages, deterring theft, and ensuring that deliveries reach their intended recipients without tampering. By providing a visible deterrent and a clear indication of tampering, security seals help to instill trust and confidence in customers and clients.
Why do we have safety seals?
Security seals are used to correctly identify the contents of each package or bag and prevent them from being tampered with. An error in this type of transport could be lethal and give rise to a bio security hazard.
Where are security seals used?
They are often used to seal trailers, containers and truck doors. In addition, they can be used as evidence of attempted break-ins and theft. Security seals can also be used to seal packaging and packages containing products.
What is the purpose of using seals?
Seals are used to prevent the leakage of fluids in rotating equipment. A seal prevents lubricants, such as oil and grease, from entering the environment and (dirty) water from entering the installation.
What is the function of plastic seal?
Plastic seals are a versatile security seal that provide a tamper-evident solution for theft and interference. They are used across almost every major industry and for a variety of applications such as transport and logistics, emergency exits, fire extinguishers, medicine cabinets and utility meters.
FAQ
Q: Are you a manufacturer or a trading company?
Q: Where is your factory?
Q: Why customers choose Asialock Seals?
Secondly, we have a variety of products mainly including container bolt seals, cable seals, plastic seals, padlock seals, meter seals, and so on.
Thirdly, our one -stop seal solutions will offer comprehensive service from design, tooling punching and injection. The overall process will make the schedule shorter and quality stable.
Lastly, our price are competitive.
Q: Why choose us ?
Quality Controlled. The company is considering.”Quality First, Service First"
Special Customized At the same time, we provide customizing service, if all of our products cannot meet your requests, we also can specially customize the products for you as per your samples, drawings, etc.
Q: How does your factory do regarding quality control?
Q: How can we get the samples?
Q: How can you send the samples?
Q: Do you provide samples? is it free or extra ?
Q: Could you offer samples?
Q: How long is your delivery time?
Q: What's your delivery time?
Q: What's the lead time?
Q: What's lead time for bulk order?
Q: What’s your payment term?
Q: What is your terms of payment?
Q: What's the price terms?
Q: How can you guarantee the quality?
2. We have IQC, IPQC, and 100% inspection for each seal.
Q: What is your service time?
Q: What if products have some quality problems?
Q: What services can we provide?
Accepted Payment Currency: USD, CNY;
Accepted Payment Type: T/T, L/C, Credit Card, PayPal, Western Union
Language Spoken: English, Chinese
Q: Has Asialock got any certification?
Q: What certificate do you have?
Q: Which bolt seal passed ISO 17712 and C-TPAT?
Q: Could you print our company logo on nameplate and package?
Q: Do you accept custom design on size?
Q: Can you do customized products?
Q: Can we print our logos and barcode?
Q: What colors are available for your seals? Do you accept custom colors?
Q: How to send the goods?
Q: Can you do my own style?
Q: I cannot find our products in your catalog, can you make customized products for us?
Q: What is barrier seal used on?
Q: What's your MOQ?
Q: MOQ and Delivery time?
As one of the most professional plastic security seal manufacturers and suppliers in China, we're featured by high quality customized products made in China. If you're going to wholesale cheap plastic security seal in stock, welcome to get free sample from our factory.
Pull Tight Security Seals, tamper evident plastic seal, Plastic Grip Seal












