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Premium Self-Sealing Bags for Daily, Medical & Laboratory Use

Liangyou Packaging Co., Ltd is a trusted manufacturer and supplier of high-quality, eco-friendly plastic packaging solutions. Specializing in self-sealing bags with advanced production technology and strict quality control.

Transparent Self Sealing Bag

About Liangyou Packaging

A leading manufacturer and exporter of innovative plastic packaging products based in Taizhou, Jiangsu, China.

Company Profile

Taizhou Liangyou Package Co., Ltd specializes in the manufacturing and export of plastic ziplock bags, container bags, and various plastic packaging products. Our business scope includes products with thickness less than 0.015mm, excluding plastic woven cement bags without film.

We are committed to providing environmentally degradable plastic solutions for household, kitchen, and daily use applications, meeting international standards and customer expectations.

With a strong focus on innovation and quality, we serve clients across global markets with reliable, cost-effective packaging solutions.

Advanced Technology

State-of-the-art production equipment and technical expertise ensure consistent quality.

R&D Strength

Strong new product development capabilities to meet evolving market demands.

Quality Control

Advanced technology and sophisticated equipment for full quality control.

Talent Team

Skilled professionals in quality, production, management, and sales.

Our Products

High-performance self-sealing bags designed for diverse applications

Transparent Self Sealing Bag

Transparent Self Sealing Bag

Clear visibility with reliable zip closure. Ideal for storage, shipping, and retail packaging.

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Slide Fresh-keeping Bag

Slide Fresh-keeping Bag

Preserve food freshness with airtight seal. Perfect for kitchen and food storage use.

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Medical Self Sealing Packaging Bags

Medical Self Sealing Packaging Bags

Sterile, secure packaging for medical devices, supplies, and pharmaceuticals.

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Laboratory Specimen Bag

Laboratory Specimen Bag

Leak-proof, tamper-evident bags for safe transport and storage of lab samples.

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Laboratory Specimen Bag

Heavy-Duty Specimen Bags

Reinforced construction for high-risk or large-volume specimen containment.

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Clear Ziplock Bag

Clear Ziplock Storage Bag

Multi-purpose transparent bag with durable seal for home, office, and travel.

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Custom Size & Thickness Available

Custom Packaging Solutions

Tailored dimensions, thickness, printing, and material options for OEM clients.

Request Quote
Eco-Friendly Materials

Biodegradable Zip Bags

Environmentally responsible packaging made from degradable plastic materials.

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Industrial Grade

Container Zip Bags

Large-capacity sealing bags for industrial parts, components, and bulk storage.

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Printed Options

Branded Packaging Bags

Custom logo and design printing for retail, promotional, and corporate use.

Get Samples
Moisture Resistant

Dry Storage Bags

Protect sensitive items from humidity and moisture with enhanced barrier properties.

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High-Temp Resistant

Autoclavable Bags

Withstand high temperatures for sterilization in medical and lab environments.

Request Info

Why Choose Liangyou Packaging?

We combine innovation, quality, and reliability to deliver superior packaging solutions.

Fast Production

Efficient manufacturing process ensures quick turnaround and on-time delivery.

Quality Assured

Rigorous quality control at every stage ensures consistent product performance.

Innovative Design

Continuous R&D delivers cutting-edge packaging solutions for modern needs.

Global Export

Trusted by international clients with reliable logistics and export support.

15+
Years Experience
50+
Countries Served
10M+
Units Monthly
100%
Quality Control

Latest News

Stay updated with our product developments and industry insights.

January 21, 2024

Transparent Self Sealing Bag: The Perfect Combination of Convenience, Practicality, and Environmental Protection

Transparent self sealing bags have shown great convenience in daily life and work due to their unique transparent properties and self sealing function. They are widely used in food storage, document organization, and product packaging.

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January 21, 2024

Product Features of Transparent Self Sealing Bags

Our transparent self sealing bags offer excellent clarity, strong zip closure, and resistance to tearing. Available in multiple sizes and thicknesses to suit various applications.

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January 21, 2024

Innovation in Medical Packaging Solutions

Liangyou Packaging continues to expand its medical-grade self sealing bags with enhanced barrier properties and sterilization compatibility.

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January 21, 2024

Sustainability in Plastic Packaging

We are committed to developing environmentally degradable plastic products that reduce environmental impact without compromising performance.

Read More

Frequently Asked Questions

What materials are used in your self-sealing bags?

We use high-quality LDPE, HDPE, and PP materials. For eco-friendly options, we offer biodegradable and compostable films.

Can you provide custom sizes and printing?

Yes, we offer full customization including size, thickness, color, and logo printing for OEM and ODM clients.

What is your minimum order quantity (MOQ)?

MOQ varies by product type and customization. Contact us for specific requirements and pricing.

Are your medical bags compliant with international standards?

Our medical and laboratory bags are manufactured to meet relevant safety and sterility requirements for medical use.

How do you ensure product quality?

We implement strict quality control throughout production, from raw material inspection to final product testing.

What are your delivery times?

Typical production time is 15-25 days after order confirmation, depending on order size and complexity.

Get in Touch

Contact us for product inquiries, samples, or custom solutions.

Contact Information

+86-153-6561-0476
WhatsApp & Skype: +86-153-6561-0476
QQ: 854594183
No. 8 Group 10. Meiwang Village, Zhangdian Town, Jiangyan District, Taizhou, Jiangsu, China

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