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High-Security Tamper-Evident Seals for Global Logistics

Professional manufacturer of ISO 17712 certified security seals for containers, shipping, banking, utilities, and more. Trusted by FedEx, UPS, DHL, and TNT.

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About SNSeal

SNSeal is a professional manufacturer and exporter in the field of security seals for containers and tamper-evident solutions. With years of experience in global supply, we deliver high-quality, ISO 17712 certified seals to industries including shipping, banking, energy, military, and logistics.

We pay attention to every detail—from raw material selection to quality control, packaging, and delivery. Our 100% inspection system ensures consistent performance and reliability across all batches.

ISO 17712 Certified Security Seals
Custom Printing: Logo, Barcode, Serial Numbers
Trusted by FedEx, UPS, DHL, TNT, and Global Carriers
Security Seal Manufacturing Security Seal Packaging Plastic Security Seals Metal Security Seals

Our Security Seal Products

All products meet or exceed ISO 17712 international standards. Each seal features a unique identifier for tracking and tamper evidence.

Plastic Strap Seals

Plastic Strap Seals

Model: SNS001 | Strength: >35kgs

  • Material: Polyethylene (PE) or Polypropylene (PP)
  • Applications: Trucks, containers, doors, meters, bank bags
  • Custom printing: Logo, barcode, serial number
  • Packaging: 3250 pcs/carton
Bolt Seals

Bolt Seals

Model: SM024 | Strength: >1500kgs

  • Material: ABS Plastic + Steel
  • Applications: Containers, container trucks, doors
  • High tensile strength with tamper-proof design
  • Packaging: 300 pcs/carton
Metal Strip Seals

Metal Strip Seals

Model: SM009 | Strength: >50kgs

  • Material: Tinplate Steel
  • Applications: Trucks, containers, rail wagons, meters
  • Durable, corrosion-resistant
  • Packaging: 2000 pcs/carton
Padlock Seals

Padlock Seals

Model: SNS069 | Strength: >50kgs

  • Material: Wire + Plastic
  • Applications: Cases, bags, boxes, ATM, storage
  • Heat foil or laser printing available
  • Packaging: 2000 pcs/carton
Cable Seals

Cable Seals

Model: SM004 | Strength: >200kgs

  • Material: Zinc + ABS Plastic
  • Cable Diameter: 1.5–1.8mm
  • Custom lengths available
  • Packaging: 1500 pcs/carton
Meter Seals

Meter Seals

Model: SM031 | Strength: >30kgs

  • Material: PC + Stainless Steel Wire
  • Flexible wire (0.6–1mm), 250mm standard
  • Applications: Electricity, water, gas meters
  • Packaging: 2000 pcs/carton
Ultimate Security Seals

Ultimate Security Seals

Fixed Length | Heat Staking Technology

  • High-integrity locking mechanism
  • Break-off point for easy removal
  • Ideal for high-security container sealing
  • Custom branding and numbering
Void Labels

Void Labels & Security Tapes

Tamper-Evident Protection

  • Self-destruct upon removal
  • Leaves "VOID" or custom message
  • Visible warning and hidden pattern
  • Protects packages, bundles, transport units

Why Choose SNSeal?

✓

ISO 17712 Certified

All our security seals meet or exceed international standards for high-security container seals, ensuring compliance and trust.

🖨️

Custom Branding

We offer silk-screen, heat foil, and laser printing for logos, barcodes, and serial numbers—ideal for traceability and branding.

🚚

Global Distribution

Established partnerships with FedEx, UPS, DHL, and TNT ensure fast, low-cost shipping and reliable worldwide delivery.

50+
Countries Served
10M+
Seals Shipped Annually
15+
Years Experience
100%
Quality Inspection

Frequently Asked Questions

What is ISO 17712 certification?

ISO 17712 is the international standard for mechanical seals used on freight containers. It defines three levels of security: Indicative, Security, and High-Security. SNSeal products meet or exceed High-Security requirements.

Can I customize the seals with my logo?

Yes. We offer heat foil stamping, laser printing, and silk-screen printing for company logos, serial numbers, barcodes, and custom text on most seal types.

What industries use your security seals?

Our seals are used in shipping, logistics, banking, utilities (electricity, water, gas), oil & gas, military, mining, postal services, supermarkets, and more.

Do you offer bulk pricing?

Yes. We provide competitive pricing for bulk orders and have established low-cost shipping through partnerships with major carriers like FedEx, UPS, DHL, and TNT.

Are samples available?

Yes. We can provide product samples upon request. Please contact us directly for sample availability and shipping options.

Get in Touch

Have questions about our security seals or need a custom solution? Reach out to our team for expert support.

Contact Information

Phone: 86-27-83372627

Fax: 86-27-83372625

Email: mk@sinicline.net

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