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Junchuang Lock Logo

The World of Junchuang's Premium Security Seals

With over 20 years of development, we are becoming a renowned security seal manufacturer in China. 10,000 sqm facility, 100+ production equipment, and 200+ skilled staff ensuring top-quality, ISO/PAS 17712 compliant seals.

Explore Our Products

Who We Are

Established in 1990 | Trusted Since Decades

Shandong Province Qingyun County Junchuang Lock Industrial CO., LTD is a leading manufacturer of high-security seals based in Shandong, China. Specializing in Lead Seals, Container Bolt Seals, Cable Seals, Meter Seals, Plastic Seals, and other tamper-evident solutions.

Our products are widely used across the electricity meter, water meter, postal services, power supply, gas, oil transportation, chemical, mining, customs, railway, finance, and container logistics industries.

We strictly manufacture all products according to the ISO/PAS 17712 standard, ensuring reliability, durability, and global compliance.

20+ Years

Industry Experience

10,000 m²

Production Facility

100+

Machines & Equipment

200+

Skilled Employees

Our Premium Security Seals

Engineered for maximum security and tamper evidence. All products meet ISO/PAS 17712 standards and are trusted by global clients in logistics, energy, customs, and more.

Bolt Seals

Bolt Seals

High-quality, cost-effective container bolt seals with excellent price-performance ratio. Ideal for shipping containers and logistics.

  • • One-time use, tamper-evident
  • • High tensile strength
  • • Custom numbering & branding
Cable Seals

Cable Seals

Professional ABS security hexagon cable seals with high durability and resistance to cutting and tampering.

  • • Reinforced steel cable
  • • UV-resistant housing
  • • Suitable for trucks, containers, and doors
Plastic Seals

Plastic Seals

Factory-direct, low-cost custom security plastic truck seals. Ideal for logistics and transport fleets.

  • • Lightweight & durable
  • • Custom colors and logos
  • • Tamper-evident locking mechanism
Meter Seals

Meter Seals

Tamper-evident meter seals designed for use with sealing wire. Perfect for electricity, water, and gas meters.

  • • Prevents unauthorized access
  • • Numbered for traceability
  • • Weather and corrosion resistant
Padlock Seals

Padlock Seals

High-security ABS padlock-style seals with hexagonal design for enhanced protection.

  • • Reusable option available
  • • Strong locking mechanism
  • • Ideal for cabinets and enclosures
Metal Seals

Metal Seals

One-time use high-tension container truck metal strap ball seals for maximum security.

  • • High-strength steel construction
  • • Ball-lock mechanism
  • • Resistant to cutting and pulling
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Lead Seals

Traditional yet reliable lead seals for applications requiring simple, effective tamper evidence.

  • • Classic design
  • • Economical solution
  • • Widely accepted in customs and logistics
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Custom Security Seals

Tailored sealing solutions with your logo, numbering, color, and specifications.

  • • OEM/ODM supported
  • • MOQ flexible
  • • Full customization options

Applications Across Industries

Our security seals are trusted in critical sectors worldwide for tamper-evident protection and regulatory compliance.

Oil Industry

Power Industry

Logistics Transportation

Port Freight

Customs Industry

Commodity Inspection

Aviation Navigation

Goods Shelves

Core Strength

Global Customers

Trusted by international clients across Asia, Europe, Africa, and the Americas for reliable, compliant security solutions.

Advanced Manufacturing

Over 100 production machines and automated lines ensure consistent quality, high output, and fast delivery.

R&D & Innovation

In-house engineering team continuously develops new seal designs to meet evolving client and industry needs.

ISO/PAS 17712 Compliant

All products strictly adhere to international standards for high-security seals, ensuring global acceptance.

Competitive Pricing

As a large-scale manufacturer, we offer factory-direct pricing without compromising on quality.

Customer-Centric Service

Dedicated support team providing technical information, fast quotes, and after-sales assistance.

Get in Touch

Looking for a reliable security seal supplier? Contact us today for quotes, samples, and customization options.

Visit Official Website to Contact

For inquiries, please navigate to the official site where you can find updated contact options.

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