Source Factory · Since 2005

Your Custom Flexible Pouch & Bag Packaging Manufacturer

A Shenzhen source factory producing custom stand-up pouches, spout pouches and specialty bags since 2005 — cleanroom production, in-house design and free samples for growing brands worldwide.

Premium Quality

Leakproof, high-barrier pouches from our own cleanroom — FDA, ISO 9001, ISO 22000, GRS, BSCI & Disney-audited.

Reliable Delivery

Fast, on-time global shipping trusted by brands across Europe & North America.

Factory-Direct Price

Fair, factory-direct pricing straight from our own production line.

Custom Solutions

Full OEM & ODM — your size, style, material, printing and logo, matched precisely.

Dedicated Support

Free samples, free design support and worry-free after-sales service.

Flexible Pouch Packaging Types

Tailored for Excellence: Our packaging bags are crafted to precision, ensuring utmost protection for your products. Durable, customizable, and meticulously designed to meet your unique needs.

A Little Story About Us

Shenzhen Yongliantai New Material Technology Co., Ltd.

Founded in 2005, our factory specializes in custom packaging bags of all kinds, setting industry benchmarks for quality, efficiency, and reliability. Operating from our state-of-the-art, dust-free facility, we utilize advanced technology and a dedicated team of 150+ professionals to produce durable, high-performance bags tailored to diverse needs. From small batches to large-scale orders, we ensure fast turnaround times without compromising on quality.

Our commitment to excellence is reinforced by internationally recognized certifications including ISO 22000, FDA compliance, EU food-grade standards, and GRS (Global Recycled Standard). Guided by integrity and a passion for innovation, we deliver packaging solutions that not only meet rigorous safety and sustainability benchmarks but also help elevate your brand. Partner with us for packaging that drives your business forward.

360° Virtual Factory Tour

Trusted by Global Brands

Disney logo
NYX-logo
Mercedes-Benz_
Reebok-Logo
Fila-logo
Colgate
Yamaha_logo
daiso-logo
Walmart_logo
Innisfree-Logo

Crafting Quality: Our Production Process

Welcome to Visit Our Dust-Free Workshop Anytime.

Trust in our expertise: We are confident that if you choose us, you won’t have to worry about quality, lead time, or anything else!

Why Choose Us

We pride ourselves on providing high-quality, reliable, and custom packaging solutions that cater to your unique needs. With over 20 years of experience in the industry, we are committed to delivering the best service, exceptional products, and on-time delivery—ensuring you receive exactly what you need, when you need it. Our team works closely with you to understand your requirements and provide tailored solutions that drive your success.

Our Rigorous leak-proof testing

Our Certifications

ISO_9001-2015
Global-Recycled-Standard-GRS
Forest_Stewardship_Council-FSC
Food_and_Drug_Administration-FDA
ISO 22000 food safety management system certification
bsci-logo
prop-65
pfas free

Our Global Exhibitions

Engage with YLT’s cutting-edge solutions and talk shop with our experts at international packaging events.

Latest Blog

Laminated polyethylene film turned into stand-up pouches on a bag-making line
Blog

How Are Plastic Bags Made? 6 Steps and QC Checks to Ask

How are plastic bags made? Follow PE film through extrusion, printing, lamination, curing, slitting and sealing, plus the QC checks to ask your supplier.
Custom printed plastic stand-up pouches in three sizes beside a roll of printed film
Blog

Pricing Custom Printed Plastic Bags: Digital vs Gravure

What sets the unit price of custom printed plastic bags: quantity per design, film area, laminate and printing, plus the digital vs gravure break-even.
Digital printed short-run pouches next to gravure printed pouches and a print cylinder
Blog

Digital vs Gravure Plastic Bag Printing by Run Size

See where digital and gravure plastic bag printing costs cross over, how cylinder fees work and how to prep artwork for a first pouch order.
Clear and matte polypropylene pouches with windows and zipper on a counter
Blog

What Is a Polypropylene Bag? BOPP, CPP and PE Compared

Learn what a polypropylene bag is, how BOPP and CPP layers differ, when PP beats PE, and which frozen or heavy products need a different ...
HDPE and LDPE polyethylene bags filled with pasta, frozen peas and rice
Blog

HDPE Bags vs LDPE: Barrier, Food Safety and Recyclability

Learn what HDPE bags do well, how they differ from LDPE and LLDPE, which gauge fits your fill weight, and when oxygen-sensitive food needs a ...
Custom flexible pouches with a dieline proof and laminate samples
Blog

How to Order Custom Flexible Packaging: Specs, MOQ, Timeline

Learn what to send for a custom flexible packaging quote, MOQ by print method, proof and sample steps, and realistic lead times from quote to ...
Flat pouches next to pillow pouches and a roll of laminated film
Blog

Flat Pouches vs Pillow Pouches: Choosing by Line and Volume

Compare flat pouches and pillow pouches by filling line, unit cost, MOQ and features like zippers, and see which suits your samples and small packs.
Filled spout pouches for liquid packaging in different sizes and spout positions
Blog

Spout Pouches for Liquid Packaging: Specs That Prevent Leaks

Check film structure, spout diameter, cap type, hot fill limits and food-contact paperwork before ordering spout pouches for liquid packaging.
Three black coffee bag packaging on a wooden table, featuring a gold NOIR CO. logo with a sun motif and the label 'DARK ROAST'.
Blog

How to Print Matte Black Stand Up Pouch Food Packaging

Matte black stand up pouch food packaging: choose matte film or varnish, size reversed text, pick colours that read on black and prevent scuffs.
Two silver coffee bags on a wooden table labeled Summit Coffee Co. and Apex Packaging Solutions, with scattered coffee beans and a small flat package nearby.
Blog

Foil Packaging vs Metallized Film: When Foil Pays Off

Compare foil packaging with metallized film bags on OTR, WVTR, flex cracking and unit cost, and see which shelf-life targets justify paying for foil.

Frequently Asked Questions

Custom packaging sourcing — answered
Is YLTPACK a factory or a trading company?

YLTPACK is a direct manufacturer. Since 2005 we have run our own factory, production lines and in-house sales team in Shenzhen, so you order custom packaging straight from the source.

Do you provide free samples?

Yes. Samples are free and you only cover the shipping cost. We can send existing stock samples so you can check our material, printing and workmanship before placing a bulk order.

What is your minimum order quantity (MOQ)?

MOQ depends on the bag type, size and printing method. Share your specifications and target quantity, and our team will confirm the exact MOQ and pricing for your project.

Which certifications does YLTPACK hold?

Our flexible packaging is produced in a cleanroom environment and backed by FDA, ISO 9001, ISO 22000 and GRS certifications for food-grade and recycled-material requirements.

Can you help with custom packaging design?

Yes. Send finished artwork for accurate reproduction, or just your idea or a reference image — our in-house design team provides free design support to make it print-ready.

Customize Now

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Your information is safe with us. We never send unsolicited emails.