Four-seal bag

The four-seal bag offers many advantages, making it a popular choice for packaging a variety of products. Some key benefits include:

Use fewer materials than rigid packaging solutions.
Lightweight materials reduce production and transportation costs.
Efficient use of shelf space
Four panels provide ample space for branding and design.
The square shape allows for quick filling and arrangement.
Full-height gussets provide additional volume.
Stands upright for optimal display on shelves.
Up to 12 color flexographic printing
Glossy, matte, or UV finish
The structures of metallic and non-metallic materials can be used to form barriers against oxygen and moisture, maintaining long-term freshness.
Customers have an easy alternative for opening and closing.
Featured FeaturesEasy-open film, tin-tie closure, freshness valve, product display window

Cost-Effective Packaging

Qual Seal Bags offers budget-friendly solutions for businesses looking to minimize packaging costs.

Eco-friendly

By choosing Qual Seal bags, companies can demonstrate their commitment to sustainability, appealing to environmentally conscious consumers.

Loudness

This higher volume capacity not only streamlines logistics but also reduces shipping costs.

Application

The four-seal bag, also known as the four-corner block bottom bag, is a type of flexible packaging that is extremely durable and stable. It has four side gussets for reinforcement and strength, making it suitable for packaging large or bulky items.

The four-sided gusseted bag is widely used to package a variety of products, including coffee, snacks, pet food, frozen foods, and more. Its distinctive structure gives it a square or box-like shape that allows it to stand upright on store shelves, making it ideal for retail display.

Automatic Packaging Machine for Qual Seal Bag

Premade Bag Packaging Machine

Suitable for granular products, such as beans, snacks, pet food, sugar, rice, meat, and coffee beans.
Speed up to 60 bags/min (depending on material)
Integrated with a multi-head scale for filling.
The filling error is 0.1%
Using German/Japanese electronic components
PLC control with touchscreen operation
Presence detection of the pouch – no filling, no sealing
Options: open-zip device, date coding, fully lockable safety controller, and bag rejection system.

Vertical Form Fill Seal Packaging Machine

Suitable for powdered products, such as sugar powder, detergent powder, flour, spices, and chemical powders.
Speed up to 60 bags/min (depending on material)
Integrated with an auger filler for filling powder.
The filling error is 0.1%
Pouch filling solution for various types and sizes of pouches, including 3-side seal pouches, 4-side seal pouches, and back-seal pouches.
Options: Dust-suction nozzle and dust collector, clean-room design on-site

Our Suppliers

Our Certificate of Authority

Why Customers Choose Us

Fact

Thanks to years of direct experience working across various industries, our project managers have a deep understanding of how your business operates.

Mission

We ensure that every minute detail is scrutinized when producing even the smallest product. Our focus is 100% on customer needs and satisfaction.

Industry experience

Here you will receive personalized engineering services, professional guidance, up-to-date information on the latest knowledge, and the opportunity to improve your design.

Testimonial

Since we began using this automatic packaging machine, our efficiency has increased significantly. The machine is very user-friendly and handles our various bag sizes with precision. We have seen a significant reduction in packaging errors and material waste.

Amanda LeeChief Executive Officer

The build quality is solid, and it consistently delivers reliable performance with minimal downtime. We are very satisfied with our investment and will recommend it to others in the industry.

Adam CheiseOperations Coordinator

In the pharmaceutical industry, precision and reliability are critical, and this automatic packaging machine delivers both. We are extremely impressed with its ability to meet our stringent quality and compliance requirements.

Floyd StallerCo-founder

Get an appointment with our 1-on-1 expert.

Getting the right equipment for the right price!

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Tel: +86 138 6882 7095