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High Security Seals
Engineered for Global Trust

Premium bolt seals, cable seals, plastic seals, RFID tags, and more — manufactured by Wenzhou Hengyue Seal Co., Ltd. Trusted in logistics, utilities, shipping, and customs worldwide.

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Trusted Manufacturer Since 2009

Wenzhou Hengyue Seal Co., Ltd. has been a leading manufacturer and exporter of high-security sealing solutions since 2009. Based in Wenzhou, China, we specialize in producing tamper-evident seals trusted by logistics companies, customs agencies, utility providers, and supply chain operators across the globe.

Our commitment to quality, innovation, and reliability ensures that every seal meets international standards for security and durability. With years of industry experience, we continue to expand our product line to meet evolving global needs.

8+
Product Categories
50+
Global Markets
Company Honor Certificate Security Seal Product Line

Our Security Products

From bolt seals to RFID-enabled smart tags, our range ensures tamper evidence, traceability, and compliance across industries.

Security Seals-Bolt Seals CH101

Bolt Seal CH101

High-security bolt seal for containers and trucks

  • Material: Q235A Steel
  • Applications: Container, Logistics
Cable Seals CH206-5mm

Cable Seal CH206-5mm

Durable plastic-jacketed steel cable seal

  • Material: Steel Cable + PP
  • Applications: Shipping, Rail, Utilities
Plastic Seals CH302

Plastic Seal CH302

Lightweight, high-strength one-time use seal

  • Material: PP
  • Applications: Bags, Meters, Boxes
Barrier Seal CH802

Barrier Seal CH802

Heavy-duty barrier-style security seal

  • Material: Q235A Steel
  • Applications: Containers, Gates
Padlock Seal CH510

Padlock Seal CH510

Re-usable padlock-style security seal

  • Material: PP
  • Applications: Multiple Access Points
Meter Seals CH601

Meter Seal CH601

Tamper-proof seal for utility meters

  • Material: Durable Plastic
  • Applications: Water, Gas, Electric Meters
Metal Strap Seal

Metal Strap Seal

Robust sealing for industrial containers

  • Material: Galvanized Steel
  • Applications: Drums, Tanks, Cargo
RFID Security Seal

RFID Security Seal

Smart seal with digital tracking capability

  • Technology: RFID (UHF/NFC)
  • Applications: High-Value Logistics
Cable Tie

Security Cable Tie

Heavy-duty reusable cable fastener

  • Material: Nylon + Steel
  • Applications: Bundling, Securing Cables
Lead Seal

Lead Seal

Traditional lead seal with modern durability

  • Material: Lead Alloy
  • Applications: Customs, Rail, Maritime

Not all products are shown due to proprietary designs. For custom solutions or OEM/ODM services, contact us directly.

Why Choose CNHYSEAL?

We combine engineering precision with global compliance to deliver trusted sealing solutions.

1

ISO & PAS Standards

Our seals comply with ISO 17712:2013 and PAS 96:2014 for high-security applications in customs and logistics.

2

Tamper-Evident Design

All seals are engineered to show visible signs of tampering, ensuring integrity from origin to destination.

3

Custom Branding

Add your logo, serial numbers, or barcodes for traceability and brand recognition.

4

Global Export Experience

Shipped to over 50 countries with reliable logistics and documentation support.

5

OEM/ODM Services

We support custom designs, packaging, and private labeling for bulk orders.

6

Fast Response & Support

Dedicated team available via email, WhatsApp, and Skype for technical and order inquiries.

2009
Founded
8+
Product Lines
50+
Countries Served
10M+
Seals Delivered

Frequently Asked Questions

What is a high-security seal?

A high-security seal is a tamper-evident device designed to secure containers, trucks, utility meters, or cargo. Once applied, any attempt to remove or tamper with the seal leaves visible damage, ensuring chain-of-custody integrity.

Are your seals ISO 17712 certified?

Yes, our bolt seals, cable seals, and barrier seals are manufactured to meet ISO 17712:2013 standards for high-security mechanical seals. Certification documentation is available upon request.

Can I customize the seal with my logo?

Absolutely. We offer custom printing with your company name, logo, barcode, QR code, or serial numbers for enhanced traceability and branding.

What’s the difference between bolt seals and cable seals?

Bolt seals use a metal bolt and locking mechanism, ideal for containers and trailers. Cable seals use a steel cable threaded through a locking head, offering flexibility for irregular openings and multiple attachment points.

Do you offer RFID or smart seals?

Yes, we manufacture RFID-enabled security seals with UHF or NFC technology for digital tracking, ideal for high-value shipments and automated verification systems.

What is your minimum order quantity (MOQ)?

MOQ varies by product type and customization. For standard seals, MOQ starts at 1,000 units. Contact us for specific quotes based on your requirements.

Get in Touch

Have questions or need a quote? Reach out to our team directly.

Contact Information

Phone: +86-577-86629816

Fax: +86-577-86629815

Email: cnhy@cnhyseal.com

WhatsApp: +86-13587698243 / +86-13587696040

Skype: cnhyseal / vinson520200

Address: Yaoxi Industrial Zone, Longwan District, Wenzhou, China

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