Attributes

Brand	-
Category	Hardware & Tools / Sewing & Embroidery Machines
Origin	-
Brand	Shuangniu
Model Number	GK9-350
Power Source	Electric (Corded)
Stitch Type	Chain Stitch
Max Sewing Thickness	10 mm
Motor Speed	9000 RPM
Weight	2.8 kg
Applicable Materials	Woven Bags, Canvas, Burlap, Plastic Woven Fabric
Needle Type	DC x 1 Industrial Needle
Design Style	Gun-Style Handheld

6 reviews

Anonymous

Mar 31, 2026

Rating: 4/5

Solid industrial tool

Good build quality for the price point. It handles multiple layers of burlap easily. The cord could be a bit longer for large warehouse floors, but using an extension cord solves that instantly. Does the job well.

Anonymous

Mar 30, 2026

Rating: 4/5

Great value, minor learning curve

Works exactly as described. The speed is impressive once you get the hang of guiding the fabric. I deducted one star because the thread tension needed some initial adjustment out of the box, but after that, it runs smoothly.

Anonymous

Mar 24, 2026

Rating: 5/5

Exceeded expectations

I was worried it might struggle with thick canvas, but the GK9-350 powers right through. The handheld format saves so much space compared to table-top models. Setup was straightforward with the included instructions.

Anonymous

Mar 19, 2026

Rating: 5/5

Robust and reliable

We use this daily in our feed store to close 50lb bags. The gun-style design makes it easy to maneuver around full bags. The motor stays cool even after continuous use for an hour. Very satisfied with the Shuangniu brand.

Anonymous

Mar 17, 2026

Rating: 5/5

Fast and efficient

Replaced our old manual sewers with these electric units. The difference in productivity is night and day. The chain stitch is secure and easy to unravel when the customer opens the bag. Excellent purchase.

Anonymous

Mar 13, 2026

Rating: 5/5

Perfect for our warehouse packaging

This machine is a game changer for sealing our grain bags. It's lightweight enough to hold with one hand but powerful enough to stitch through thick woven polypropylene without jamming. Highly recommended for small business logistics.

5 FAQ

Q: Does this machine come with needles and thread?

A: Yes, the package typically includes one set of installation needles and a spool of thread to get you started immediately.

Q: What is the voltage requirement for this machine?

A: This model operates on standard 110V/60Hz power. Please ensure your outlet matches these specifications before plugging it in.

Q: How do I adjust the stitch length?

A: There is a调节 screw located near the needle bar. Turning it clockwise decreases the stitch length, while counter-clockwise increases it. We recommend testing on a scrap piece of material first.

Q: Is replacement parts availability good for this brand?

A: Yes, Shuangniu uses standard industrial components. Needles, loopers, and feed dogs are widely available through most sewing machine supply retailers.

Q: Can this sew through plastic woven sacks used for rice or sand?

A: Absolutely. The GK9-350 is specifically designed for woven polypropylene bags commonly used for rice, sand, fertilizer, and animal feed.

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