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About Us

Leading the Industry in Tamper Evident Innovation Since 2003

Shenzhen Sealtape Security Technik Co., Ltd., established in 2003, specializes in the R&D and precision manufacturing of high-security tamper-evident products. Operating an advanced 5,000 m² facility with 4,000,000 m² annual capacity, we empower global brand owners, logistics providers, and printing converters with bespoke OEM/ODM solutions, rigorous lab-tested quality, and responsive engineering support.
  • 5-Stage Strict Quality Control & In-House Lab Testing

  • Direct Manufacturer & Reliable OEM/ODM Partner

  • 24/7 Rapid Response & Priority Fast-Track Dispatch

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20

+

Years Industry Experience

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55

+

Global Export Markets

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5,000

m²

Modern Facility

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4,000,000

m²

Annual Production

What We're Offering: Comprehensive Tamper Evident Solutions

Protect your products, shipments, and confidential assets with high-performance security tapes, labels, and seals designed for unmistakable tamper evidence.

Security Tapes

Security Tapes

High-security carton and pallet sealing tapes featuring Total Transfer, Partial Transfer, and Zero-Residue options that instantly reveal bold 'VOID OPEN' markings upon unauthorized peeling.

Tamper Evident Label

Tamper Evident Label

Engineered for asset tracking, warranty protection, and equipment sealing. Customized with overt or covert VOID patterns, serial numbering, and barcode tracking.
Tamper Evident Bags
Tamper Evident Bags
Heavy-duty LDPE security bags equipped with tamper-evident adhesive tape closures, tear-off receipts, and heat/cold/solvent detection for cash transit, forensic evidence, and election ballots.

Destructible Label

Destructible Label

Manufactured with ultra-fragile facestock and aggressive acrylic adhesive. The label fractures into tiny, non-removable flakes when tampering is attempted, perfect for asset and warranty seals.
Hologram Sticker
Hologram Sticker
Combines multi-level 2D/3D optical diffraction, micro-text, and dot-matrix holographic patterns with tamper-evident VOID release for maximum anti-counterfeiting protection.

Security Seals

Security Seals

Cost-effective plastic pull-tight seals, meter seals, and container bolt seals with laser-etched sequential numbering to safeguard freight trucks, valves, and cargo containers.

One-Stop Tamper Evident Custom Solution

From surface compatibility evaluation to global logistics, we guide you through every step of building your tailored security defense.

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    Technical Consultation

    Our security engineers analyze your substrate (corrugated, plastic, metal, or paper) and recommend the ideal adhesive and residue type (Total/Partial/Non-transfer).

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    Free Sampling

    Receive complimentary sample and custom-printed prototypes to test real-world adhesion and tamper-evident performance.

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    Mass Production

    Automated coating, VOID release printing, and multi-width slitting lines ensure large-volume consistency, high yield, and on-time shipment.

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    Lab Testing

    In-house testing for 180° peeling force, holding tack, shear strength, and chemical/temperature resistance before packaging.

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    Packaging & Shipping

    Standard export cartons or customized neutral packaging with barcoded master labels; flexible door-to-door air and sea freight options.

Flexible Customization to Match Your Exact Security Specs

Every supply chain and package surface is unique. Configure dimensions, hidden security messages, adhesive formulations, and visual branding to build your ideal anti-tamper system.

  • Logo

  • Size

  • Printing Text

  • Color

  • Material

  • Adhesive

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Custom Logo & Branding
Incorporate company logos, overt corporate colors, and registered brand artwork on the surface to elevate brand authority and prevent counterfeiting.
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Slit Width, Length & Die-Cut Sizes
Custom slit widths and lengths for auto-applicators, or die-cut label sheets tailored to your packaging line.
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Hidden VOID Messages & Text
Personalize the released tamper message with 'VOID', 'OPENED', your brand name, multilingual warnings, or sequential QR/barcode numbering.
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Colors & Surface Finishes
Standard security colors or Pantone-matched shades, with matte, glossy, metallic, or holographic surface finishes.
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Facestock Materials
Premium PET for high durability, PE for flexible films, glassine paper, holographic foils, and ultra-destructible vinyl eggshell substrates.
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Adhesives & Transfer Residue Types
Acrylic or hot melt adhesives leave a clear VOID message when an attempt of removal is made. Choose Total Transfer (full residue on surface), Partial Transfer (pattern residue), or Non-Transfer/Zero-Residue (leaves surface 100% clean).

Engineered for Diverse High-Security Industries

Our tamper-evident technologies deliver verifiable proof of integrity across mission-critical supply chains worldwide.

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Logistics, Freight & Supply Chain

Prevent pilferage and cargo tampering on shipping cartons, pallets, and sea containers with high-visibility VOID security tapes.

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Consumer Electronics & Hardware

Secure warranty integrity on smartphone boxes, laptops, and server chassis with ultra-destructible eggshell labels and non-residue warranty seals.

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Banking, Cash Transit & Confidential Files

Heavy-duty tamper-evident deposit bags with solvent and heat-detection indicators to ensure complete chain of custody for cash and ballots.

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E-commerce, Retail & Pharmaceuticals

Protect brand reputation and customer safety with tamper-evident seal stickers that expose any return-fraud or unauthorized opening.

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TECHNICAL INSIGHTS & BLOGS

Extensive Industry Knowledge & Selection Guides

Security Tape for Packaging: Ultimate Tamper-Evident Solution for Secure Ship...

Introduction: The Critical Role of Security Tape in Modern Shipping In an era where traceability and transparency are no

The development situation of the tape industry

​With the development of economy and the progress of science and technology, China has become the world's leading manufa

How to distinguish good from bad for colored tape

​For colored tape, it is generally yellow and khaki. Pinch the sticky and quickly pull it apart, you can pull off the gl

WHO WE SERVE

Empowering Diverse Global Clients

From precision converters & printing houses to global brand owners, volume distributors, and high-security institutions—we deliver tailor-made tamper-evident solutions with consistent coating, custom VOID design, reliable factory supply, and strict batch traceability.

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Faq’s

Frequently Asked Questions

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Can’t Find Your Answer?
Send you questions to our team, they’ll help you.
  • Who are we?
    Shenzhen Sealtape Security Technik Co., Ltd. is an ISO-certified direct manufacturer established in 2003, specializing in tamper-evident security tapes, VOID labels, ultra-destructible eggshell papers, and security bags. We operate a 5,000 m² plant with complete in-house coating, printing, and slitting capabilities.
  • How can we guarantee quality?
    We implement a strict 5-stage quality monitoring protocol. Every production run undergoes rigorous in-house laboratory testing, including 180° peel adhesion, initial tack, shear strength, and temperature/chemical resistance. Production samples are provided for client.
  • What can you buy from us?
    You can source a full spectrum of tamper-evident solutions: total transfer & partial transfer VOID tapes, zero-residue security labels, destructible eggshell stickers, holographic anti-counterfeit seals, tamper-evident bank deposit bags, and plastic pull-tight security seals—all customizable in size, color, and hidden text.
  • Why buy from us not from other suppliers
    Unlike trading companies, we are a genuine source manufacturer with over 20 years of specialized technical experience. We offer negotiable MOQs, faster sample turnaround, consistent chemical adhesive formulations that do not fail in extreme temperatures, and comprehensive OEM/ODM engineering support.
  • What services can we provide?
    We provide free sample kits, custom graphic design proofing, and flexible trade terms including FOB, CIF, EXW, and DAP. Payments are accepted via T/T, L/C, PayPal, and Western Union.