Description
Reviews
| Brand | - |
| Category | Hardware & Tools / Sewing & Embroidery Machines |
| Origin | - |
| Brand | Shuangniu |
| Power Source | Rechargeable Lithium Battery / Plug-in |
| Material | ABS Plastic and Stainless Steel Needle |
| Applicable Bag Type | Woven, Cotton, and Multi-layer Paper Bags |
| Stitch Type | Chain Stitch |
| Weight | 1.2 kg (approx. 2.6 lbs) |
| Battery Capacity | 2000mAh |
| Charging Time | 3-4 Hours |
| Operation Mode | Handheld Portable |
| Package Includes | Machine, Charger, Needles, Thread Spool, Wrench, Oil Bottle |
Anonymous
Mar 31, 2026
Rating: 4/5
Great value, minor learning curve
Works well once you get the tension adjusted correctly. It took me a few tries to stop the thread from bunching up, but after watching a quick tutorial, it runs smoothly. Much cheaper than industrial models.
Anonymous
Mar 29, 2026
Rating: 5/5
Perfect for our grain storage needs
We use this daily to seal large sacks of rice and corn feed. The battery lasts through about 40 bags on a single charge, which is impressive for such a compact unit. The chain stitch is tight and secure.
Anonymous
Mar 27, 2026
Rating: 4/5
Solid build quality
The metal components feel durable, and the plastic housing is sturdy. I appreciate that it comes with extra needles and oil. Just remember to oil the mechanism regularly to keep it running smoothly.
Anonymous
Mar 25, 2026
Rating: 5/5
Lightweight and easy to carry
I move around my warehouse frequently, so the handheld design is a lifesaver. It's light enough to hold with one hand while guiding the bag with the other. The lithium battery charges quickly too.
Anonymous
Mar 07, 2026
Rating: 5/5
Reliable for coffee bean sacks
We seal our green coffee bean imports with this machine. The stitch is consistent, and the portable nature means we can seal bags right off the truck without dragging them to a stationary machine.
Anonymous
Mar 01, 2026
Rating: 3/5
Good for thin to medium bags
It handles standard woven polypropylene bags very well. However, I found it struggles slightly with very thick, multi-layer paper bags unless you feed them slowly. Still, for the price, it's a solid tool.
Q: Is the plug-in model included or is it battery only?
A: This specific listing offers a dual-mode capability. It operates primarily on the rechargeable lithium battery but can also be used while plugged in via the included charger adapter if the battery runs low during heavy use.
Q: What type of stitch does this produce?
A: The machine produces a single-thread chain stitch. This type of stitch is strong yet easy to unravel by pulling the loose end when you need to open the bag.
Q: Can this machine sew through thick jute bags?
A: Yes, the Shuangniu sealer is designed to handle woven bags, including jute and burlap, provided the thickness does not exceed the needle's clearance limit. For very thick layers, please feed the material slowly.
Q: How long does the battery last on a full charge?
A: Under normal operating conditions, the 2000mAh lithium battery can seal approximately 30 to 50 standard-sized bags before needing a recharge. Actual performance may vary based on bag thickness.
Q: Does it come with thread and needles?
A: Yes, the package includes one spool of high-strength thread, a set of spare needles, and the necessary tools for installation and maintenance.
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