15+ Years · Design → Engraving → Printing → Bag Making

Custom Flexible Packaging
Built Around Your Brand

From package design and gravure cylinder engraving to printing, lamination and bag making — we run the full chain in-house. Food-grade structures, high-definition rotogravure printing, factory-direct pricing, low MOQ, worldwide shipping.

Explore Products
15+Years Experience
80+Countries Served
5000+Happy Clients
ISO / FDACertified Materials
Custom stand-up pouch with zipper Flat bottom coffee bag Spout pouch for liquid packaging
ISO 9001
FDA Grade
Our Products

Packaging Formats We Customize

Every structure is fully customizable — size, material layers, thickness, zipper, valve, spout, printing and finish.

Stand-up Pouch

Classic bottom-gusset pouch with strong shelf presence. Ideal for snacks, coffee, pet food and powders.

Zipper · Valve · Window

Three-side Seal Bag

Flat, space-saving format for single-serve sachets, samples, tea, candy and small accessories.

Low MOQ · Sample Pack

Flat Bottom / Eight-side Seal Bag

Premium square-bottom bag with four printable panels — the go-to choice for high-end coffee and tea brands.

4 Panels · Premium

Spout Pouch

Reclosable spout for liquids and semi-liquids: juice, sauce, detergent, baby food and personal care.

Leak-proof · Liquid

Roll Film / Laminated Film

Custom-printed rollstock for automatic form-fill-seal lines — high speed, consistent tension, vivid graphics.

High Speed · FFS

Coffee Bag with Valve

One-way degassing valve, tin-tie or zipper options, aluminium foil or kraft-look structures for freshness.

Degassing Valve
Why we build the full production chain in-house? Cylinder engraving determines print precision, printing determines colour consistency, lamination determines barrier performance, and bag making determines seal quality. Splitting these four steps across separate suppliers usually leads to finger-pointing when issues arise. We handle design → cylinder engraving → gravure printing → lamination & slitting → bag making all under one roof, so responsibility is clear and lead time stays under our control.
Integrated Service Chain

From Design to Bag Making — One Integrated Service Chain

In-house cylinder engraving, gravure printing, lamination, slitting and bag making. No middlemen. You get finished pouches directly from the factory with lower cost and more controllable lead times.

German HELL K5 Smart electronic engraving machine engraving a copper gravure cylinder Cylinder Engraving

German HELL Electronic Engraving

Equipped with German HELL K500 electronic engravers supporting 24 kHz engraving frequency and dual-head engraving. High registration accuracy and repeatable positioning without removing the cylinder. The cylinder directly determines print quality — so we keep this step in-house.

  • Hell K500 / K5 engraver
  • Engraving frequency 12–24 kHz
  • Max. format 2700 mm
  • Seamless steel cylinders
Automated lights-out smart factory workshop Lights-out Factory

Yuncheng Plate Making · Smart Lights-out Factory

Fully automated smart production lines with robotic arm loading and unloading, AGV automatic transfer and MES system control. From cylinder to finished product, the entire process is automated, reducing quality variation caused by manual intervention.

  • 3 fully automated plate-making lines
  • 3 gravure electronic engraving lines
  • Robotic arms + AGV transfer
  • MES digital control
High-speed rotogravure printing press line Gravure Printing

High-speed Rotogravure Printing

10-colour rotogravure presses with automatic register control. Stable registration from 50 m/min up to 300 m/min with no waste during speed ramp-up. Colour difference is tightly controlled and graphic reproduction is highly accurate.

  • 10-colour gravure printing
  • Speed up to 300 m/min
  • Auto register control
  • In-line quality inspection
Solvent-free lamination and high-speed slitting line Lamination · Slitting

Lamination & High-speed Slitting

Solvent-based and solvent-free lamination lines producing 2–4 layer structures for high barrier, puncture resistance and recyclability requirements. High-speed slitters ensure consistent web tension for smooth machine runs.

  • Solvent-free lamination
  • Dry lamination
  • High-speed slitting
  • Consistent tension
Multi-format bag making machine production line Bag Making

Multi-format Bag Making

Stand-up pouches, three-side seal bags, flat bottom bags, spout pouches and roll film are all produced in-house. High bag-making precision, stable seal strength, 100% in-line inspection and automatic rejection of defective units.

  • Stand-up / Three-side seal
  • Flat bottom / Spout pouch
  • Roll film / Auto-wrap film
  • 100% in-line inspection
Quality control laboratory and testing equipment Quality Control

Quality Control & Laboratory

In-house QC laboratory testing seal strength, COF, thickness, colour difference, solvent residue and migration. Every batch is sampled and traceable. ISO 9001 quality system in operation.

  • Seal strength testing
  • Solvent residue testing
  • Migration testing
  • Batch sample traceability
Why "integrated" matters: cylinder engraving determines print precision, printing determines colour difference, lamination determines barrier performance, and bag making determines seal quality. When these four steps are split across different suppliers, problems get passed around with no one taking responsibility. We handle everything in-house — clear accountability, lead time under our own control, and truly no middlemen.
Why Youpin Pack

A Factory, Not a Trading Company

You talk directly to the people who design, engrave, print, laminate and convert your packaging.

15+ Years of Manufacturing

Founded in 2010, we run a 12,000 m² facility in Shandong with in-house engraving, printing, lamination, bag making and QC.

Factory-direct Pricing

No middlemen. You get a transparent cost breakdown and pricing that scales predictably with your volume.

Low MOQ, Trial-friendly

Custom printing from 5,000 pcs, and 1,000 pcs on selected stock structures so you can test the market first.

Fast Sampling

Digital proof within 24 hours, physical printed samples in 5–7 working days, refundable against mass production.

Food-grade & Compliant

ISO 9001 quality system, FDA and EU 10/2011 compliant food-contact materials, full migration test reports on request.

End-to-end Service

Package design, cylinder engraving, printing, lamination, bag making, inspection and export shipping — handled under one roof.

How It Works

From Idea to Delivered Pouches

A simple six-step process designed to keep your project on time and on budget.

Inquiry

Tell us bag type, size, material and quantity.

Design & Proof

Artwork check and digital proof within 24 hours.

Engraving

In-house Hell electronic engraving of gravure cylinders.

Sampling

Physical sample ready in 5–7 working days.

Production

Printing, lamination, bag making, 100% inspection.

Shipping

Export cartons, pallets, and full tracking support.

News & Insights

Packaging Industry Updates

Market trends, material innovations and compliance news curated by our team.

2026-09-18 — Uncategorized

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Send us your bag type, size, material and estimated quantity — we'll come back with a detailed quotation within 12 working hours.

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