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China Security Seal Supplier

Professional manufacturer of high-security seals, container door locks, and tobacco grinders. ISO9001 & ISO17712 certified.

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About PUYI Safety

WENZHOU PUYI LIGHT INDUSTRIAL PRODUCTS CO., LTD. is a professional manufacturer of security seals and tobacco grinders, located in Wenzhou City, Zhejiang Province, China. We specialize in producing high-quality security solutions trusted by clients across Southeast Asia, South America, Africa, and Europe.

Our commitment to excellence has earned us ISO9001 and ISO17712:2013 certifications, ensuring every product meets international standards for security and durability.

ISO Certified

ISO9001 & ISO17712

Global Export

To 50+ Countries

Factory Workshop

Our Products

We are a professional manufacturer of security seals, container door locks, and tobacco grinders — engineered for reliability, security, and performance.

Security Seal

Security Seal

High-security bolt seals, cable seals, barrier seals, and plastic seals compliant with ISO17712:2013. Made from low-carbon steel and ABS plastic.

  • ISO17712 Certified
  • For container & truck use
  • Multiple types available
Container Barrier Seal

Container Barrier Seal

Designed for all ISO containers and trucks. Made from A3 steel with two movable buckles for easy locking. Compatible with various door tube spacing.

  • A3 Steel Construction
  • 2-3 Keys Supplied
  • Customizable Lock Holes
Container Door Lock

Container Door Lock

Heavy-duty container lock made from A3 steel. Features dual movable buckles for secure and convenient locking on all ISO containers.

  • Durable A3 Steel
  • 2-3 Keys Included
  • Custom Key Requests
Tobacco Grinder

Tobacco Grinder

Precision zinc or kirsite grinders in multiple colors (red, blue, green, black) and sizes (40mm to 80mm). Custom laser logo printing available.

  • Multiple Sizes & Colors
  • Laser Logo Printing
  • Zinc or Kirsite Build
High Security Bolt Seal

High Security Bolt Seal

Reinforced bolt seal meeting ISO17712:2013 standards. Ideal for intermodal transportation and cargo container security.

  • ISO17712:2013 Compliant
  • Low-Carbon Steel Core
  • Tamper-Evident Design
Plastic Security Seal

Plastic Security Seal

Lightweight, durable plastic seals for low to medium security applications. Ideal for logistics, warehouses, and utility meters.

  • UV Resistant Plastic
  • Numbered for Tracking
  • Bulk Packaging Options
Cable Seal

Cable Seal

Flexible security seal with steel cable core and ABS head. Suitable for irregularly shaped containers and diverse locking points.

  • Adjustable Cable Length
  • Reusable Options
  • High Tensile Strength
Custom Logo Grinder

Custom Logo Grinder

Branded tobacco grinders with your logo laser-engraved. Perfect for promotional giveaways and retail branding.

  • Full Logo Customization
  • 40mm–80mm Sizes
  • Fast Turnaround

Why Choose China Security Seal?

High Security

All seals meet or exceed ISO17712 standards for tamper resistance and traceability.

Professional Manufacturing

State-of-the-art facility in Wenzhou with strict quality control and efficient production lines.

Global Export

Trusted by customers in Southeast Asia, South America, Africa, and Europe.

Timely Delivery

Reliable logistics and on-time shipment to meet your supply chain demands.

50+

Countries Served

10+

Years Experience

ISO

Certified

10M+

Units Shipped

Frequently Asked Questions

What is ISO17712 certification?

ISO17712 is an international standard for mechanical seals used on shipping containers. It defines requirements for high-security seals to prevent tampering and ensure cargo integrity.

Can I customize the color or logo on the grinder?

Yes, we offer laser printing of your logo on tobacco grinders in various colors including red, blue, green, and black.

Do you provide extra keys for container locks?

Yes, additional keys are available upon request for both container barrier seals and door locks.

What materials are used in your security seals?

Our bolt seals use low-carbon steel and ABS plastic. Container locks and barrier seals are made from durable A3 steel.

Get in Touch

Reach out to us for product inquiries, custom orders, or partnership opportunities.

Contact Information

Address: Wenzhou City, Zhejiang Province, China

Phone: 0086-577-56893666

Email: pysale01@pyqgzp.com

Skype: pysale01

Website: chinasecurityseal.com

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