- Fast & global delivery
- Packaging Manufacturer Since 2005
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.
Hot-Selling Packaging Pouches
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
- ISO-Certified Cleanroom
- Sustainable Materials
- Quality Control Labs
Trusted by Global Brands
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.
- The Most Competitive Factory Pricing
- Certified by FDA, ISO 9001, ISO 22000, GRS, BSCI & Disney-audited
- Free Samples & Free Design Services
- Fast On-Time Worldwide Delivery
- Worry-Free After-Sales Service
Our Rigorous leak-proof testing
Our Certifications
Latest Blog
Blog
Custom Plastic Zip Bags: 6 Specs to Fix Before Quoting
Set size, film thickness, zipper type, print method and MOQ before you request a quote, so custom plastic zip bags arrive right the first time.
Blog
Custom Snack Packaging: Choosing Pouch Style and Barrier
Match chips, nuts, jerky, granola and gummies to the right pouch style, barrier film and size, with shelf-life ranges for custom snack packaging.
Blog
Mylar Bag Size Chart: From Small Mylar Bags to 5 kg Fills
Find the right size for small mylar bags and bulk liners, with a chart from 1 g to 5 kg by product density, plus zipper, ...
Blog
Block Bottom Coffee Bags: Sizes, Valves and Film Specs
Size block bottom coffee bags for 250 g, 500 g and 1 kg, decide on a valve, pick foil or VMPET film, choose a closure ...
Blog
What Material Are Plastic Bags Made Of? PE, PET, BOPP, Foil
Learn what material plastic bags are made of: PE, PP, PET, nylon and foil layers, thickness by product, barrier figures and which structures recycle.
Blog
Self-Sealing Bags vs Zipper Pouches vs Heat Seals for Food
Compare self-sealing bags with zipper pouches and heat seals on freshness, tamper evidence, unit cost and packing speed to pick the right closure.
Blog
Wholesale Ziplock Bags Pricing: Digital vs Gravure Print
See indicative unit prices for custom printed wholesale ziplock bags at 1,000 to 50,000 pieces, plus what size, film, zipper and print method add.
Blog
White Stand Up Pouch vs Brown Kraft: Print, Cost, Barrier
Compare a white stand up pouch with brown kraft on print colour, barrier, price and MOQ, and learn which base fits your artwork, product and ...
Blog
Heat Sealable Plastic Bags: PE vs CPP, Settings and Leaks
See how to pick heat sealable plastic bags: PE vs CPP sealants, sealant thickness by fill weight, starting seal settings per sealer and how to ...
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.
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
Contact Us for a Quote. Find the Perfect Solution for Your Project with Us.
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