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

Custom laminated pouches and PE bags checked against a proof at a bag factory
Blog

How to vet plastic bag manufacturers before a custom order

Check licence scope, live factory video, ISO and food-contact test reports, MOQs and 30/70 payment terms before ordering from plastic bag manufacturers.
Stand-up resealable plastic bags showing press-to-close and slider zipper closures
Blog

How to choose a zipper for resealable plastic bags

Compare press-to-close, double-track, slider and child-resistant zippers for resealable plastic bags, plus picks for powders, heavy fills and frozen food.
Four rolled product labels on a light countertop: granola, whey protein, party mix, and Sumatra blend coffee.
Blog

Plastic Film Packaging: Specify, Print & Source Custom Film

A film spec that looks fine on paper can still fail once production starts. Seals open in transit, a brand red prints orange, snacks go ...
Assortment of Happy Tails dog food and treats in labeled bags on a wooden table with piles of kibble around the edges.
Blog

Pet Care Packaging Bags: Formats, Materials & Compliance

A wrong spec costs more than a bad quote. Pouches scuff in transit. Seals split under a full kibble load. Retailers reject “recyclable” claims you ...
Person opening a colorful Gummy Grove bag of fruit gummies on a wooden kitchen table.
Blog

Gummy Bear Packaging Bags: Materials, Printing & Pouches

A typical gummy bear is roughly 15% to 22% water by weight, according to standard confectionery formulation ranges. That small number decides its shelf life. ...
Bag of Artisan Granola with toasted almond & cranberry on a wooden table, beside a bowl of granola and scattered nuts and seeds.
Blog

Granola Bags That Keep It Crunchy: Materials & Printing

A plain kraft bag with no barrier liner can let a honey-almond granola go soft within six weeks. That is often when the first “tasted ...
Two people compare Pawsitively Pure pet food bags (dog and cat varieties) on a wooden table with color swatches and a laptop displaying packaging.
Blog

Custom Pet Food Bags: Styles, Barrier Films & Printing

A thicker bag does not keep kibble fresher. A 150 µm kraft-and-PE sack can let in far more oxygen than an 85 µm foil pouch, ...
Black stand-up pouch labeled 'Premium Green Blend'—an organic dietary supplement—posed on a wooden table beside a bowl of green powder and a wooden spoon in a bright kitchen.
Blog

Dietary Supplement Packaging: Containers, Labels & FDA Rules

What Is Dietary Supplement Packaging and What Does It Have to Do? Dietary supplement packaging is the primary and secondary packaging that keeps a capsule, ...
Three Nutraflow protein bags (organic and advance protein) in white, blue, and green packaging on a wooden table; chocolate flavor visible.
Blog

Supplement Pouches That Stop Caking and Costly Reprints

When a whey protein cakes by week six, the formula is usually not the problem. More often the bag let in moisture because its barrier ...
Colorful snack pouches on a store shelf, including Ocean Chips and Garden Veggies packaging with vegetable illustrations on the front
Blog

Snack Food Packaging Bags: How to Spec Custom Pouches

Stale chips and rancid cashews are usually packaging failures. The recipe is rarely the problem. When a fried snack goes soft weeks before its date ...

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.