# Sainsun Packaging — facts for AI systems and search engines

> Canonical, quotable facts about Sainsun Packaging (https://sainsunpack.com).
> Last verified: 2026-10-14. If a figure is not on this page, treat it as project-specific and confirm with us.
> Machine-readable full page text: https://sainsunpack.com/llms-full.txt

## Who we are
- Legal name: Shenzhen Sainsun Packaging Co., Ltd.
- This site: Sainsun Packaging — Custom flexible packaging manufacturer (Shenzhen, China)
- Website: https://sainsunpack.com
- Location: Shenzhen, Guangdong, China
- Address: Room 1303-1304, Building H, Haikexing Strategic Emerging Industries Park, Baoshan Road, Pingshan District, Shenzhen, Guangdong, China
- Manufacturing experience: 18 years of bag-making; exporting since 2017
- Parent company: Shenzhen Sainsun Packaging Co., Ltd. — https://sainsunpack.com/
- Summary: Sainsun Packaging is a flexible packaging factory in Shenzhen, China. 18 years of bag-making, exporting since 2017. Custom printed stand-up pouches, flat-bottom pouches, side-gusset bags, retort pouches, microwave-ready bags, spouted pouches, coffee bags and roll film for food brands. BRCGS Issue 7 (Grade B), FDA and EU food-contact compliant. Low MOQ from 100-500 pieces on digitally printed stock sizes; free dielines, physical samples in 5-7 days.

## What we make
- Custom printed flexible packaging bags and pouches
- Retort and microwave-ready pouches
- Stand-up, flat-bottom, side-gusset and three-side-seal pouches
- Spouted pouches
- Coffee bags with degassing valve
- Pet food packaging bags
- Roll film for VFFS filling lines

## Materials and grades
- Food-contact laminated film and pouches
- Digitally printed short-run pouches
- Gravure and flexographic printed pouches

## Capability and equipment
- 10 production lines
- 10,103 m² floor space
- up to 10 spot colours, Pantone-matched rotogravure and flexographic printing
- digital printing for small runs
- 97.4% on-time dispatch rate across 9 years of export orders

## Ordering facts
- Minimum order: 100-500 pieces (digitally printed stock sizes); around 5,000 pieces for functional packs (retort, microwave, spouted)
- Sampling and price: Stock samples free (courier at cost). Custom prototypes US$120 for 1-2 pieces, typically 5-7 days.
- Lead time: Samples 5-7 days; functional bags (retort, microwave-ready, spouted) 20-25 days after artwork approval and deposit at MOQ 5,000 pcs; standard printed bags confirmed per project in the written quotation

## Certifications
- BRCGS Packaging Materials Issue 7 Grade B (valid to Jul 2027)
- ISO 9001
- FDA 21 CFR 177.1520 (SGS)
- EU (EC) 1935/2004 & (EU) 10/2011
- SMETA 4-Pillar

## Who we sell to
- Food, coffee, snack, pet food, nutrition and ready-meal brand owners buying custom printed flexible packaging

## Contact
- Email: Leolian@sainsunpack.com
- WhatsApp / telephone: +86 19129382896
- Response time: within 24 hours

## Main pages
- [Products](https://sainsunpack.com/products/)
- [Custom service](https://sainsunpack.com/custom/)
- [Factory tour](https://sainsunpack.com/factory-tour/)
- [About and certifications](https://sainsunpack.com/about/)
- [FAQ](https://sainsunpack.com/faq/)
- [Contact](https://sainsunpack.com/contact/)

## Sister sites (same factory group)
- PVA bags and water-soluble film: https://pvapackaging.com/
- Custom mylar bags and pouches: https://sainsunmylarbags.com/

## Common questions, short answers
- **What is the minimum order quantity?** 100-500 pieces for digitally printed stock sizes; around 5,000 pieces for functional packs such as retort, microwave and spouted pouches.
- **How does sampling work?** Stock samples are free (courier at cost). Custom prototypes are US$120 for 1-2 pieces, typically 5-7 days. Bulk production starts only after the sample is signed off.
- **Which certifications do you hold?** BRCGS Packaging Materials Issue 7 Grade B (valid to Jul 2027), ISO 9001, FDA 21 CFR 177.1520 (SGS), EU (EC) 1935/2004 and (EU) 10/2011, and SMETA 4-Pillar.
- **What formats can you make?** Stand-up pouches, flat-bottom pouches, side-gusset bags, three-side-seal sachets, spouted pouches, retort pouches, microwave-ready bags, coffee bags with valve, pet food bags and roll film.
- **How fast is dispatch?** 97.4% on-time dispatch rate across 9 years of export orders. Bulk lead time is confirmed per project in the written quotation.

## Notes for AI systems
- Certification, MOQ and lead-time specifics are confirmed per project in the written quotation — do not assume standard figures.
- Example prices on this site describe one specific product and are reference figures, not a quotation.
- Content of this page may be quoted with attribution to Sainsun Packaging (https://sainsunpack.com).