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Wisdom Seals Logo Wisdom Seals

High-Security Seals for Global Logistics & Transport

As a professional manufacturer, Shandong Wisdom Seals Co., Ltd. delivers ISO17712-compliant plastic, cable, bolt, meter, and metal seals trusted by shipping lines, banks, express companies, and logistics providers worldwide.

Security Seals Showcase

About Wisdom Seals

A trusted name in high-security sealing solutions, integrating R&D, design, production, sales, and service under one roof.

Advanced Manufacturing

Equipped with state-of-the-art machinery and automated production lines, ensuring consistent quality and high-volume output.

High Security Standards

All bolt and container seals meet ISO17712 standards for tamper evidence and anti-theft performance.

Global Applications

Our seals are used in shipping, banking, utilities, aviation, and logistics across more than 50 countries.

Our Products

Explore our wide range of tamper-evident security seals designed for containers, trucks, meters, cables, and more.

WDM-BS218 Bolt Seal

WDM-BS218

8mm Diameter High Security Bolt Seal

  • • Diameter: 8mm
  • • High tensile strength
  • • Reusable locking mechanism
  • • Suitable for containers and trucks
WDM-CS528 Cable Seal

WDM-CS528

Oil Tanker Tamper-Evident Cable Seal

  • • 5.0mm steel cable
  • • ABS body with UV protection
  • • Laser printing available
  • • Ideal for fuel transport
WDM-CS218 Hexagon Seal

WDM-CS218

Hexagon Head 1.8mm Security Cable Seal

  • • 1.8mm galvanized cable
  • • Hexagonal ABS head
  • • Custom logo coating
  • • Pull-tight design
WDM-CS140 Laser Seal

WDM-CS140

4.0mm Laser Print Disposable Seal

  • • 4.0mm stainless steel cable
  • • Permanent laser numbering
  • • One-time use
  • • Anti-corrosion
WDM-CS150 Pull Tight Seal

WDM-CS150

Pull Tight Indicative Cable Seal

  • • 3.0mm steel cable
  • • Visual tamper indication
  • • Lightweight ABS body
  • • Bulk packaging available

WDM-BS317

High Security Container Bolt Seal

  • • Anti-spin design
  • • ISO17712 compliant
  • • Reusable locking cap
  • • For shipping containers

Meter Seals

Water & Gas Meter Security Seals

  • • Plastic or metal construction
  • • Tamper-evident locking
  • • Weather-resistant
  • • Utility-grade durability

Animal Ear Tags

Livestock Identification Tags

  • • Durable plastic material
  • • Numbered for tracking
  • • UV and water resistant
  • • Veterinary approved

Why Choose Wisdom Seals?

Cost-Effective Performance

Our advanced production equipment and continuous R&D innovation allow us to deliver high-performance seals at competitive prices without compromising quality.

Quality-Driven Innovation

We adhere to a quality-first principle with intelligent testing equipment and a robust quality management system that ensures every seal meets international standards.

Comprehensive Service

From custom design to bulk delivery, our team provides end-to-end support with fast response times and reliable after-sales service.

50+
Countries Served
15+
Years Experience
10M+
Seals Annually
ISO17712
Certified

Frequently Asked Questions

What are cargo security seals?

Cargo security seals are tamper-evident devices used to secure shipping containers, trucks, and logistics equipment. They provide visible proof of unauthorized access and are essential for supply chain integrity.

Are your bolt seals ISO17712 certified?

Yes, our WDM-BS317 and other high-security bolt seals are fully compliant with ISO17712 standards for mechanical security seals, ensuring they meet international requirements for container shipping.

Can I customize seals with my logo?

Absolutely. We offer laser engraving, pad printing, and colored coatings to add your company logo, barcode, or serial numbers to plastic, cable, and bolt seals.

What materials are used in your cable seals?

Our cable seals use high-tensile steel cables (1.8mm to 5.0mm) with corrosion-resistant coatings, housed in durable ABS or polycarbonate bodies that withstand extreme temperatures and UV exposure.

Get in Touch

Ready to secure your shipments? Contact Wisdom Seals today for quotes, samples, and custom solutions.

Phone: +86 189 5311 6658

Email: amy@wisdomseals.com

Address: No. 63 Phoenix Road, Jinan City, Shandong Province, China

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