20 Years+ Custom Flexible Packaging Manufacturer in China

Committed to providing global customers with one-stop customized printed flexible packaging bags and films solutions, as well as value-added assembly services.

Successful Custom Pouch Packaging Case Studies

Customized One-Stop Soft Packaging Services

Shenlong Packaging integrates systematic resources including design, R&D, printing, and post-production processing to provide global clients with high-end one-stop soft packaging solutions featuring optimized timelines and superior quality.

Custom PrintingGravure and digital printing technologies available.

100% CustomizableTailored dimensions, materials, colors, and additional components.

Expert Technical SupportAssistance from packaging engineers with 25 years of experience.

24/7 Customer ServiceOnline support with rapid response within 12 hours.

Complimentary SamplesFree standard samples provided for quality testing.

2-Week DeliveryFast turnaround with punctual shipment.

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Flexible Packaging Solutions

We provide a comprehensive portfolio of customized packaging solutions designed to meet the specific requirements of diverse industries, including baby food, beverages, daily chemicals, pet food, and household chemical products. Offering competitive factory-direct pricing, we are committed to delivering efficient, high-quality, and customized flexible packaging services to buyers, ensuring timely delivery.

Quad Seal Pouches

Our quad seal packaging offerscustom sizing, materials, and vibrantprinting for standout productpresentation and protection.

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Custom Packaging Bags

Ready-to-ship options for a fast, affordable solution without compromising on quality. Choose from a wide selection of sizes, colors, and finishes to find the best fit for your product.

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Eight-side sealed bags

Eight-side sealed pouches enhance shelf impact and product visibility, with custom zippers and easy-tear openings for convenience.

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Woven bags

Woven bags made from high-strength polypropylene offer durability, tear resistance, breathability, and customizable options, making them ideal for bulk grains, feed, fertilizers, and building materials. Recyclable and cost-effective for industrial and agricultural use.

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Food Packaging Bags

Elevate your products with customizable food packaging bags — durable, safe, and vibrant designs that make dry, fresh, or frozen foods stand out on shelves.

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Plastic film roll

Customizable and efficient, our roll stock suits high-volume production lines, with multiple formats compatible with form, fill, and seal machines.

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Many packaging products, one supplier

We’re your one-stop-shop for flexible packaging — enabling you to consolidate packaging suppliers. Fewer suppliers means lower transportation costs and less time spent coordinating vendor relationships.

One-Stop Custom Flexible Packaging Service

Whatsapp/Phone

+8618203119988

jichenao010924@gmail.com

By integrating systematic resources—including design, R&D, printing, and post-press production—we deliver premium one-stop flexible packaging solutions to global clients, featuring streamlined timelines and enhanced quality standards.
How to Customize Packaging Step by Step?
1. Share Your Requirements: Submit your product specifications, and our expert team will recommend the optimal packaging solution tailored to your needs.
2. Confirm the Solution: Receive complimentary samples for evaluation. Approve the design and proceed to mass production.
3. Get Quotes & Solutions: Obtain a customized solution with detailed pricing, including bag types, dimensions, materials, and other specifications.
4. Rapid Product Delivery: Your order is produced on schedule, guaranteed to ship within 30 days while fulfilling all your requirements.

Comprehensive Soft Packaging Solutions

We specialize in customizing soft packaging to meet your specific needs, offering a comprehensive range of types including stand-up pouches, zipper bags, spouted pouches, and flat-bottom pouches. Our soft packaging solutions ensure product durability, visually stunning printing, and the use of eco-friendly materials. Whether you’re refreshing existing packaging or launching a new brand, we deliver exceptional tailored designs to make your products stand out.

Stand-Up Zipper Pouch

Spouted Stand-Up Pouch

Flat-Bottom Pouch

Side-Seal Pouch

Four-Side Seal Pouch

Rollstock Film

Shaped Pouch

Shrink Sleeve

Stand-Up Pouch

Selecting Soft Packaging Materials

We provide customized soft packaging using materials such as recycled plastics, kraft paper, and high-barrier laminated plastics. Optional materials include PE, PET, BOPP, VMPET, AL, VMCPP, and CPP films, renowned for their flexibility, transparency, and durability. Our solutions are ideal for packaging food, daily chemical products, and medical supplies, with eco-friendly options like biodegradable and recyclable materials also available.

Embossed Die-Cut LidSeals securely on all common plastic, tinplate, and glass containers with a smooth sealing surface. Features high barrier properties and excellent tear strength for leak-proof performance.

VM-PET (metalized film)Compatible with all automatic packaging machines. Aluminum-free with superior mechanical properties.

Retort Pouch (125°C Sterilization)Features excellent stiffness, high barrier properties, and leak-proof performance. Suitable for UHT (Ultra-High Temperature) sterilization, with superior puncture and drop resistance for extended shelf life.

Spouted Stand-Up PouchFeatures excellent stiffness, high barrier properties, and leak-proof performance. Offers superior puncture and drop resistance with an ergonomic spout design for enhanced usability and extended shelf life.

Advanced Soft Packaging Printing Technology

We leverage cutting-edge soft packaging technology to create customized solutions, utilizing high-speed 10-color rotogravure printing presses, inline automated inspection systems, and annually updated color swatches. These innovative technologies ensure vibrant colors, crisp and sharp details, and superior image clarity—making your products visually compelling and highly competitive in the market.

Custom Color Solutions

Our customized color programs are designed to elevate your brand identity and make your packaging stand out. We offer an extensive selection of CMYK and Pantone colors, ensuring precise color matching to command attention on shelves. Leveraging advanced soft packaging printing technology, we deliver vibrant, high-quality results that make your products shine brilliantly. Whether you require custom soft packaging for food, beverages, or other products, our solutions combine stunning visuals with practical functionality to elevate your brand’s market presence.

Establishment time

Subsidiaries (units)

Number of employees (person)

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Your Custom Flexible Packaging Specialist

Shenlong Packaging has been a leading manufacturer of innovative and high-quality packaging solutions for China’s daily chemical, personal care, and household products industries since 1998. We operate a 30,000-square-meter production base in Hebei Province, China, equipped with advanced machinery and equipment.

Shenlong Packaging holds a leading position in China’s flexible packaging printing sector and possesses full export authorization. Our products are exported to over 120 countries, specializing in OEM, private label, and custom packaging solutions trusted by global clients.

As an industry leader, Shenlong Packaging offers competitive factory-direct prices and is committed to providing buyers with efficient, high-quality, and customized flexible packaging services, ensuring on-time delivery and enhancing customer satisfaction.

Advanced Equipment & Ample Production Capacity

Shenlong Packaging operates a Class 300,000 cleanroom spanning 30,000 square meters of total operational space. Our facility is equipped with:
· 5 fully automated packaging and printing production lines
· 5 advanced high-speed solvent-free laminating lines
· 6 high-speed slitting machines
· 20 pouch-making production lines

Ink Management System

Precise ink management ensures color consistency and improves print quality and productivity.

High-Speed Printing Machine

Equipped with 10-color high-speed printing capability, supporting high-resolution output to meet diverse customization needs.

Print Quality Inspection System

Utilizing advanced inspection technology to monitor print accuracy, ensuring products meet stringent quality standards.

Laminating Machine

High-performance material laminator that enhances packaging durability and barrier properties, meeting the demands of multi-layer structures.

Solvent-Free Lamination

Green solvent-free lamination technology ensures high-efficiency production while effectively reducing environmental pollution.

Aging Chamber

A specialized testing environment designed to verify the stability and reliability of composite materials, ensuring long-term product performance.

Automatic Spout Pouch Sealing Machine

Intelligent spout pouch sealing machine ensuring rapid and precise sealing, improving packaging efficiency and quality.

Pouch Making

Compatible with a wide range of pouch styles, our precision manufacturing capabilities produce stand-up pouches, zipper pouches, and more, delivering customized solutions tailored to specific client needs.

Quality Control Laboratory Testing

QC Lab Testing

The Quality Control Center of Shenlong Packaging includes two independent testing laboratories, a Raw Materials Laboratory and a Finished Product Laboratory, covering a total area of 500 square meters. The center is equipped with a full range of testing and measurement equipment, including an Oxygen Transmission Rate Tester, Gas Chromatograph, Heat Seal Tester, Vacuum Tester, Tensile Tester, Coefficient of Friction (COF) Tester, Light Transmittance and Haze Tester, Pendulum Impact Tester, Standard Light Source, Micro Moisture Determination Meter, Bottle Cap Torque Tester, High-Temperature Sterilizer, and a Water Bath. A team of 12 well-trained testing professionals ensures the quality of all products through comprehensive testing procedures.

LUSTER Printing Quality Inspection System

The LUSTER Printing Quality Inspection System utilizes visual inspection technology to provide the first line of prevention during the printing process. With a maximum precision of up to 0.1mm², it effectively and accurately detects all common defects such as streaks, missing prints, spots, color deviation, smudges, etc.

Comprehensive Inspection

All finished products undergo a complete inspection process.Shenlong Packaging QC personnel conduct a final inspection for clients, ensuring quality compliance with shipping standards before shipment.

Gas Chromatograph

Heat Seal Tester

Micro Moisture Determination Meter

Coefficient of Friction (COF) Tester

Infrared Method Water Vapor Transmission Rate (WVTR) Tester

Pendulum Impact Tester for Films

Tensile Tester

Vacuum Tester

High-Temperature Sterilizer

Compression Tester

FAQS

Can you customize packaging according to our product specifications?

Yes. We offer fully customized solutions including size, material, structure, printing design, and functional features like zippers, spouts, or handles to match your exact requirements.

What industries do you serve?

What is your minimum order quantity (MOQ)?

What certifications do your products hold?

Can you handle both packaging and final product assembly?

Do you offer eco-friendly packaging options?