Attributes

Brand	-
Category	Hardware & Tools / Sewing & Embroidery Machines
Origin	-
Brand	Shuangniu
Model Number	GK9-350
Machine Type	Portable Gun-Type Electric Sewer
Power Source	Electric (AC Powered)
Primary Application	Woven Bags, Sacks, and Packaging
Stitch Type	Single Thread Chain Stitch
Max Sewing Thickness	Up to 15mm
Motor Speed	Approx. 1800-2000 RPM
Weight	3.2 kg
Included Accessories	Needle Set, Oil Bottle, User Manual, Carrying Case

6 reviews

Anonymous

Mar 28, 2026

Rating: 5/5

Excellent for agricultural use

Bought this for sealing fertilizer and seed bags on our farm. It cuts through multiple layers of woven material effortlessly. The electric motor provides consistent power, unlike the foot pedals we used to use.

Anonymous

Mar 24, 2026

Rating: 5/5

Durable and fast

We have been using this Shuangniu model for three months now in our feed store. It handles hundreds of bags a day without overheating. The portable design means we can seal bags right at the filling station.

Anonymous

Mar 20, 2026

Rating: 4/5

Great value, minor learning curve

Works exactly as described. The gun-type design makes it very easy to maneuver along the top of a bag. It took me about 10 minutes to get the thread tension right, but once set, it runs smoothly. Good purchase for the price.

Anonymous

Mar 13, 2026

Rating: 5/5

Fast shipping and great product

Arrived earlier than expected and was well-packaged. The machine feels sturdy and the build quality is impressive for this price point. We are already planning to order a second unit for our other shift.

Anonymous

Mar 09, 2026

Rating: 5/5

Perfect for our warehouse needs

This machine is a game changer for sealing our bulk grain sacks. It's lightweight enough to carry around the warehouse but powerful enough to stitch through thick woven polypropylene bags without jamming. Highly recommended for industrial packaging.

Anonymous

Mar 04, 2026

Rating: 4/5

Solid little machine

Does the job well for small to medium-sized operations. The stitching is secure and consistent. I deducted one star because the instruction manual could be more detailed regarding oiling schedules, but overall very satisfied.

5 FAQ

Q: Is there a warranty included?

A: Yes, the Shuangniu GK9-350 comes with a 1-year manufacturer warranty covering motor defects and mechanical failures under normal operating conditions.

Q: How often does the machine need to be oiled?

A: For heavy daily use, we recommend adding a few drops of oil to the designated points before starting each shift. For occasional use, oiling once a week or before every major project is sufficient.

Q: Can this machine sew cotton bags or only synthetic woven ones?

A: The GK9-350 is primarily designed for woven polypropylene sacks, but it can also effectively sew cotton canvas and burlap bags provided the thickness does not exceed 15mm.

Q: Does it come with extra needles?

A: Yes, the package includes a small set of spare needles compatible with the DBx1 needle system, along with a bottle of sewing machine oil.

Q: What is the voltage requirement for this machine?

A: This model typically operates on standard 110V/60Hz or 220V/50Hz depending on your region selection at checkout. Please verify the label on the motor upon receipt to ensure it matches your local power supply.

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