— Open and Use, Keeping Your Automated Packaging Running Smoothly

What Are These?

Pre-opened continuous roll bags are exactly what they sound like: bags with the mouth already opened, rolled up in a continuous roll.

Picture this: each bag’s opening is naturally separated—no rubbing, no blowing, just grab and load. Multiple bags are connected in a roll and loaded directly onto automatic packaging machines. The machine pulls one, opens it effortlessly, loads the product, and seals it—all in one smooth flow.

How Are They Different from Regular Bags?

Regular flat bags:

• Bag mouths stick together—you have to rub them open or blow air to separate them

• Tend to jam or misfeed on automatic machines

• Suitable for manual bagging, but not for automated lines

Pre-opened continuous roll bags:

• Bag mouths are naturally separated—pull and they open

• Run smoothly on automatic machines with minimal jams

• Specifically designed for automatic packaging equipment

Problems You Might Be Facing

Problem #1: Your bags keep jamming on the automatic machine?

Regular bags have sticky mouths that the machine can’t open properly—leading to empty bags passing through, machine stoppages, and workers constantly on standby to clear jams.

With pre-opened continuous roll bags: The bag mouth is already separated. The machine’s opening mechanism lightly spreads it open with ease. Every bag runs through smoothly—almost zero downtime.

Problem #2: Every time you change bags, you have to recalibrate the machine for ages?

Some bags have inconsistent material and thickness from batch to batch, requiring lengthy machine re-adjustments every time.

With pre-opened continuous roll bags: We strictly control dimensions and thickness for consistent quality batch after batch. Load them up and go—no repeated adjustments needed.

Problem #3: Worried about misaligned printing on QR codes?

Regular bags might shift when reaching the sealing position, causing unstable printing or sealing alignment.

With pre-opened continuous roll bags: With standardized dimensions and precise positioning, combined with the machine’s registration system, print positions are consistently accurate—every bag, same spot.

Bag Specifications — Customized to Your Needs

We don’t just sell standard sizes—we offer full customization:

What Products Are These Bags Suitable For?

Why Choose Our Bags?

Technical Specifications (Customizable)

Best When Paired with Our Equipment

Our pre-opened continuous roll bags are designed as the “「対応消耗品」” for the JYZN series automatic packaging machines (such as the JYZN-350gdk). The bags are manufactured to the exact specifications of the machine’s feeding system, delivering seamless compatibility—smooth bag feeding, firm seals, and precise positioning. Together, they achieve industry-leading Overall Equipment Effectiveness (OEE).

In One Sentence

Pre-opened continuous roll bags = The dedicated consumable for your automatic packaging machine. Open and use, no jams, no hiccups—keeping your automated packaging line truly up and running.