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Global Leader in High-Security Seals

Trusted manufacturer of tamper-evident plastic, cable, RFID, bolt, container, and meter seals. ISO/PAS 17712 compliant. 20+ years of excellence in cargo, logistics, utilities, and government security.

Security Seals Showcase

About ZCTower

ZCTower Manufacturing Facility

Professional Manufacturer with 20+ Years of Excellence

ZCTower is a global manufacturer integrating R&D, design, manufacturing, and sales. Our two-decade legacy of dedication to quality, customer service, and value provides a blueprint for reliability and security.

We are committed to producing competitively priced, high-quality, customizable security seals with short lead times and a strong commitment to customer service and peace-of-mind solutions.

  • ISO/PAS 17712 Compliant Seals
  • Custom Logo, Numbering & QR Code Printing
  • Export Quality to 100+ Countries
  • Short Lead Time & Bulk Wholesale

Security Seals by Category

Container Seals

Meter Seals

RFID E-Seals

Padlock Seals

Cable Seals

Plastic Seals

Featured Security Seals

Anti Tamper RFID Cable Seals ZC-22H

Anti Tamper RFID Cable Seals ZC-22H

NFC-enabled, battery-free smart seal for shipping containers and logistics tracking.

  • Technology: NFC RFID
  • Material: Reinforced Polymer
  • Standard: ISO/PAS 17712
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NFC Padlock Battery-free Smart Lock ZC-N70

NFC Padlock Battery-free Smart Lock ZC-N70

Keyless, tamper-evident padlock with NFC authentication for secure access control.

  • Authentication: NFC Smart Key
  • Material: Zinc Alloy
  • Use Case: Utility, Logistics
View Details
GPS Logistics Intelligent Lock ZC-G380

GPS Logistics Intelligent Lock ZC-G380

Real-time GPS tracking lock for container and cargo monitoring.

  • Tracking: GPS + GSM
  • Battery: 2-Year Life
  • Security: Tamper Alarm
View Details
ZC-10F High Security RFID Plastic Seal

ZC-10F High Security RFID Plastic Seal

High-frequency RFID plastic seal with dual-side printing and tamper evidence.

  • Frequency: 13.56 MHz
  • Material: ABS Plastic
  • Printing: Dual-Side Flag
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ZC-06H High Security RFID Cable Seal

ZC-06H High Security RFID Cable Seal

Durable cable seal with embedded RFID chip for container and utility applications.

  • Tensile Strength: 300 kg
  • Chip Type: UHF RFID
  • Customization: Logo & QR Code
View Details
ZC-10K High Frequency RFID Security Bolt Seal

ZC-10K High Frequency RFID Security Bolt Seal

Heavy-duty bolt seal with RFID for container and railcar security.

  • Material: Zinc Alloy
  • Standard: ISO 17712 H
  • Use: High-Security Transport
View Details
Three-State Bolt Seals Electronic E-SEAL ZC-11K

Three-State Bolt Seals Electronic E-SEAL ZC-11K

Electronic bolt seal with open/closed/tamper status reporting via RFID.

  • Status: 3-State Detection
  • Compliance: C-TPAT, ISO
  • Application: Intermodal
View Details
Zinc Alloy Cable Seal SL-20H

Zinc Alloy Cable Seal SL-20H

Corrosion-resistant cable seal ideal for harsh environments and outdoor use.

  • Material: Zinc Alloy
  • Tensile: 250 kg
  • Color: Silver, Red, Yellow
View Details

Why Choose ZCTower?

High-Quality Security Seals

We manufacture various security seals for any industry with export quality. Our range is based on international standards such as ISO/PAS 17712. Custom logos, numbering, and 2D/QR barcoding available.

End-to-End Manufacturing

As a professional manufacturer with 20+ years of experience, we integrate R&D, design, production, and sales to deliver reliable, customizable solutions with short lead times.

Professional Customer Service

Our experienced team provides timely support and cargo security solutions. Dissatisfied? Call within 7 days for a replacement or refund—guaranteed.

Trusted Across Industries

Our security seals are used by leading organizations in logistics, utilities, government, healthcare, and more to ensure tamper-evident protection and regulatory compliance.

Logistics & Freight

Utility Meters

Government

Oil & Gas

Healthcare

Airline

20+

Years in Business

100+

Countries Served

50M+

Seals Delivered

ISO

17712 Compliant

Frequently Asked Questions

Are plastic seals reusable or single-use?

Most plastic security seals are single-use and tamper-evident. Once applied and locked, any attempt to remove them will cause visible damage, indicating unauthorized access.

How to print logos on plastic seals?

Logos can be printed using laser marking, hot stamping, pad printing, or digital printing. We offer dual-side flag printing with custom logos, serial numbers, and 2D/QR codes.

What is a tamper-evident plastic seal?

A tamper-evident seal shows visible signs of interference when someone attempts to open or remove it. This ensures integrity and security for containers, meters, and cargo.

What are plastic seals used for?

Plastic seals are used in logistics, retail, aviation, banking, healthcare, and utilities to secure containers, meters, doors, and equipment against unauthorized access.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to contact the ZCTower team.

Visit Official Website

Tel: +86 0591-83656592

Email: cherry@zcsecurityseals.com

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