Start from what you know best: your products, your size, your printing and buying process.
We have different production lines to make plastic packaging bags or roll films.
More products
Shape of bag, printing method and material structure - then request an inquiry.
Find your bag
Real photos and video shot on site during customer visits — no stock imagery.
See the plant
MOQ, sampling and how to vet a pouch manufacturer — written for first-time buyers.
Read guidesEach line is built around real food-safety and shelf-life requirements — switch tabs to see structures and formats.
High-temperature resistant pouches that survive sterilization and keep food shelf-stable without refrigeration.
Heat straight from freezer to microwave — no need to open the bag first. A structure we developed and produce ourselves.
Aroma-preserving pouches with one-way degassing valves for roasters and coffee brands.
Durable, freshness-locking large-format bags built for heavy filling and shelf handling.
Versatile flexible packaging that protects crispness and carries retail shelf appeal.
Multi-layer laminated film rolls supplied to your converter or filling line, slit to your width.
Design, printing, lamination, curing, slitting, bag-making, QC and packing — one real workflow, run by 100+ experienced workers. No outsourced steps, no surprises.
Export share over nine years of orders.
Manufactured under internationally recognized quality and food-safety standards, with regular third-party onsite inspection.
Also maintained: ISO 9001 quality management · FDA 21 CFR 177 · (EC) 1935/2004 & (EU) 2020/1245 compliance · BPA-free reports · German LUCID packaging registration. Full reports available on request.
Outstanding experience from start to finish! The customized coffee bags look fantastic and the material feels premium. A huge shoutout to the team for being so helpful and responsive — they answered all my questions patiently from day one until the final delivery. Truly top-tier customer service. 10/10!
I love the bags — the quality and look of it is really nice. The material feels really strong and sturdy, and I can trust that if I put my crisps in it won't tear or break easily.
I have continued ordering from this supplier for 5 years. Qualified products, good price, good service.
The same words appear on every supplier website. Here is what actually differs.
| Sainsun factory | Trading company | |
|---|---|---|
| You talk to the manufacturer | ||
| 10 in-house production lines, one roof | ||
| Proprietary microwave-ready structure | ||
| Free stock samples before you commit | ||
| Reports issued in the factory's name | ||
| 97.4% verified on-time dispatch |
Recurring export orders from active customers. Names stay confidential — the product, market and volume say enough.
The five questions buyers ask most — MOQ, samples, certifications, customization and lead time.
More questions? Read the full FAQ
Practical notes on pouch formats, materials, print and compliance — written by the team that runs the lines.
Not what you are looking for?
We run three focused production lines. Pick the site that matches the bag you need — each one has its own product team, sample stock and quotes.
Water-soluble PVA bags for unit-dose detergents, agro-chemicals and water-treatment packs — made on our dedicated PVA line.
Custom-printed mylar bags with zippers, child-resistant options and stock sizes, made by our mylar team.
Retort, microwave-ready, coffee, pet food, snack and supplement pouches — customized laminated bags built for food brands.
Get in Touch
Tell us about your product and requirements. A real person answers WhatsApp within the hour. Email inquiries are answered within 24 hours.
Looking for water-soluble PVA bags?
They are made on our PVA line at pvapackaging.com — send your bag size there and the PVA team replies.
Looking for customized mylar bags?
Our mylar team quotes them at sainsunmylarbags.com — sizes, printing and free samples are handled there.
Request a Quote
Prefer to talk now? A real person answers your WhatsApp — usually within the hour. Or fill in the form below and we reply within 24 hours.
Or fill in the form below — chat on WhatsApp for a reply within the hour, or fill in the form below — we answer every inquiry within 24 hours:
We reply to every inquiry within 24 hours. Your details are used only to answer your request.