What payment terms are accepted?

We accept T/T, D/P, and LC payment terms.

Does the company have quality certifications?

Yes, the company is verified by SGS and has passed ISO9001:2008QMS.

What is the structure of the tape?

It features a four-part structure: release film, PET middle material, double-sided adhesive, and a special tear-off part.

18mm Double Sided Adhesive Permanent Bag Sealing Tape for Poly Envelopes

Name: 18mm Double Sided Adhesive Permanent Bag Sealing Tape for Poly Envelopes
Brand: Yiwu Shuangjia Sealing Adhesive Tape Co., Ltd.
SKU: 1968108312

Zhejiang, ChinaYiwu Shuangjia Sealing Adhesive Tape Co., Ltd.

US$55.20-58.50

50 Boxes

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Color

White

Material

Pepa

Model NO.

SJ-HC1810

Waterproof

Not Waterproof

Tissue Structure

4 Layers

Protect Film

White Color Pepa Film

Tape Width

18mm

Application

Express Bag, Bubble Bag, Envelope, Cash Bag, etc

Middle Basic Material

Pet

Setting

Economic

Performance

High Tack

Users

Self Adhesive Bag Manufacturers

Lead Time

10-25 Days Depent on Quantity

Transport Package

Carton

Specification

500M/Roll

Trademark

Sunjia

Origin

Yiwu China

HS Code

39199090

Production Capacity

6000 Rolls Per Day

Key features

Tamper Evident Design: Destroys mailing bag film upon opening, providing clear evidence of tampering.

Direct Factory Price: No resellers involved; direct contract from factory ensures origin factory pricing.

High Quality Assurance: Verified by SGS and passed ISO9001:2008QMS with 20 years manufacturing history.

Easy Machine Cutting: Thin film structure allows for easy and efficient automatic machine cutting.

Flexible MOQ: Accepts flexible minimum order quantities, ranging from hundreds of cartons to full containers.

Multi-Scenario Application: Suitable for PE bags, PP bags, paper bags, bubble pouches, and security bags.

Strong Adhesion: Features high tack hot melt adhesive for permanent sealing on various bag types.

Professional R&D: Backed by an independent R&D lab and advanced technology investment.

Company profile

Importers and ExportersYears of Export ExperienceSelf-brandedPatents Awarded

Yiwu Shuangjia Sealing Adhesive Tape Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Flexible customization CertifiedExport Year: 15 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: >24h CertifiedTerms of Payment: T/T, D/P, LC

AI-Powered supplier vetting

SummaryThe supplier operates a single production line at a stated factory in Yiwu, Zhejiang, with film blowing, coating, slitting, and sealing equipment. It reports annual output of 5 billion boxes of permanent bag sealing tape, 100% finished-product inspection, 15 quality assurance and control inspectors, and flexible customization. However, it has fewer than five experienced R&D engineers, no available SDK, no raw-material traceability, and no valid manufacturing-capacity contract with related subcontractors. Service procedures for supplier assessment, corrective actions, and complaints exist but lack written records. The supplier has inventory capability and 15 years of export experience, but no overseas warehouse, showroom, agent, branch, or offline trade-show participation. Financial data is identified only by year and does not provide sufficient evidence for credibility assessment.

Supplier typeThe supplier has a defined factory location, one production line, manufacturing equipment, and its own quality-control capability, indicating a manufacturer rather than a purely trading entity. However, no valid manufacturing-capacity contract exists with related subcontractors, and no outsourcing SOP is established.

R&D capabilityThe supplier reports fewer than five experienced R&D engineers and no available SDK, which explicitly limits evidence of software-development or advanced R&D capability. It does offer flexible customization, but that alone does not establish strong innovation capability.

Production capacityThe supplier reports one production line, stated film-blowing, coating, slitting, and sealing equipment, and annual output of 5 billion boxes of permanent bag sealing tape. It also reports inventory capability and 100% finished-product inspection, but lacks continuous batch quantity reconciliation and has no valid manufacturing-capacity contract with related subcontractors.

Customization capabilityThe supplier explicitly states that it provides flexible customization and has multiple relevant processing machines, supporting the existence of product customization capability.