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High Security Seals for Global Industries

We provide meter seals, plastic seals, cable seals, bolt seals, barrier seals, and sealing wire. All products can be customized according to customer needs.

Security Seals

Our Security Seal Types

Meter Seal

Plastic Seals

Cable Seals

Bolt Seals

Barrier Seals

Sealing Wire

Lead Seals

Liaoseal Factory

About Liaoseal

Our factory, located in Wenzhou, China, was established in 1984. With more than 25 years of development, we have become one of the biggest and best security seal manufacturers in China.

The high-security seals we manufacture are widely used by sea, land, and air transportation companies, as well as for security purposes in supermarkets, petrol companies, and banks.

By keeping the principle of "High Quality, Competitive Price, and Excellent Service", our products are supplied to markets across North America, South America, Southeast Asia, the Middle East, and Europe. We have earned a strong reputation from clients worldwide.

1984
Established
25+
Years Experience
6000+㎡
Workshop

Custom OEM Service

OEM Manufacturing

As a professional security seal manufacturer and supplier, we offer full OEM services tailored to your specific needs. From design to mass production, we ensure quality and precision at every step.

  • Confirm customer requirements and technical specifications
  • Organize technical seminars and design consultations
  • Provide quotation within 2 hours
  • Deliver samples in 1–3 days for confirmation
  • Commence mass production after approval
  • Start packaging and global shipping

Our Security Seal Products

Bolt Seals

Bolt Seals

High-security bolt seals for containers, trucks, and cargo. Made from durable materials with tamper-evident design.

  • ISO 9001 Certified
  • Custom numbering & logos
  • High tensile strength
Meter Seals

Meter Seals

Tamper-evident seals for electricity, water, and gas meters. Prevent unauthorized access and ensure accurate readings.

  • UV-resistant materials
  • Custom serial numbers
  • Suitable for outdoor use
Plastic Seals

Plastic Seals

Lightweight and durable plastic seals for bags, boxes, and small containers. Ideal for logistics and retail.

  • Multiple color options
  • Pre-numbered or blank
  • Economical & reliable
Cable Seals

Cable Seals

Adjustable cable seals for large containers, trailers, and industrial equipment. High-strength steel cable with nylon head.

  • Length customizable
  • Tamper-proof locking
  • Weather resistant
Barrier Seals

Barrier Seals

Heavy-duty barrier seals for high-security applications. Used in ports, customs, and military logistics.

  • Reinforced locking mechanism
  • High visibility colors
  • Suitable for extreme conditions
Lead Seals

Lead Seals

Traditional lead seals for utility meters and customs. Soft metal ensures permanent impression and tamper evidence.

  • Custom stamping available
  • Corrosion resistant
  • Economical bulk supply
Sealing Wire

Sealing Wire

High-tensile steel wire for custom sealing solutions. Used in industrial, utility, and transportation sectors.

  • Galvanized for durability
  • Various diameters available
  • Can be paired with seals
Tamper Evident Labels

Tamper-Evident Labels

Security labels for packages, electronics, and sensitive documents. Leaves visible "VOID" pattern upon removal.

  • Custom printing available
  • Multiple sizes & shapes
  • Adhesive or thermal

Why Choose Us?

Fast Response

Quotation within 2 hours. Samples delivered in 1–3 days.

ISO 9001 Certified

Strict quality control system ensures consistent product excellence.

Customization

Free samples. Fully customizable design, color, size, and logo.

Tamper-Evident

All seals are designed to show clear evidence of tampering.

Global Reach

Supplied to North America, Europe, Middle East, and Southeast Asia.

100% Guarantee

Full refund or replacement for any defective product.

Get in Touch

For inquiries, quotes, or custom solutions, contact us today. We're ready to support your security sealing needs.

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