Skip to main content
Home / Sewing & Embroidery Machines / Shuangniu Brand GK9-350 Gun-Type Portable Electric Bag Sewing Machine, Small Woven Bag Sealer, Packaging Machine, Sealing Machine

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

A

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.

A

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.

A

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.

A

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.

A

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.

A

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.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Ningbo Manufacturer Display and Storage Rack, Wall-Mounted Tire Storage for Home Garage, Customizable Wall Tire Rack

Ningbo Manufacturer Display and Storage Rack, Wall-Mounted Tire Storage for Home Garage, Customizable Wall Tire Rack

$237.60

Universal Low-Temperature 3D Printing Pen Filament PCL, Eco-Friendly Material Wire 1.75mm Compatible with Deli Pens, 40 Color Options

Universal Low-Temperature 3D Printing Pen Filament PCL, Eco-Friendly Material Wire 1.75mm Compatible with Deli Pens, 40 Color Options

$3.80

Automatic Feeder - Stainless Steel Food Machinery Accessory Equipment

Automatic Feeder - Stainless Steel Food Machinery Accessory Equipment

$20,150.00

Henkel Loctite Super Glue Series: 401, 406, 460, 480, 495, 4011, 4161, 496, 382, 410

Henkel Loctite Super Glue Series: 401, 406, 460, 480, 495, 4011, 4161, 496, 382, 410

$28.00

Over-Toilet Storage Rack with Tissue Organizer for Bathroom, Vanity, and Shower Gel - Multi-Use Bathroom Shelf

Over-Toilet Storage Rack with Tissue Organizer for Bathroom, Vanity, and Shower Gel - Multi-Use Bathroom Shelf

$27.66

15-inch Carbon Fiber FPV Drone Frame - High-Strength Quadcopter Aerial Photography Chassis Direct Sale

15-inch Carbon Fiber FPV Drone Frame - High-Strength Quadcopter Aerial Photography Chassis Direct Sale

$396.44

Petal-Shaped Ceramic Tea Scoop and Holder for Gongfu Tea Ceremony

Petal-Shaped Ceramic Tea Scoop and Holder for Gongfu Tea Ceremony

$97.00

Scented Candle Waxing Cotton Wick with Base Wick Fixer Sticker DIY Materials

Scented Candle Waxing Cotton Wick with Base Wick Fixer Sticker DIY Materials

$0.35

Stainless Steel Fish Tank Converter - Bucket to Aquarium Adapter with Inverted Stand and Faucet Spout for Mineral Water Jugs

Stainless Steel Fish Tank Converter - Bucket to Aquarium Adapter with Inverted Stand and Faucet Spout for Mineral Water Jugs

$13.58

Non-woven Cleaning Cloths, Lint-free Wiping Rags, Oil-absorbing Paper, Machine Cleaning Cloth, Dust Removal Cloth for Subway Use (No Washing Required)

Non-woven Cleaning Cloths, Lint-free Wiping Rags, Oil-absorbing Paper, Machine Cleaning Cloth, Dust Removal Cloth for Subway Use (No Washing Required)

$138.00

Large Paint Brush Set - Watercolor Pen Kit for Children's Day Art and Drawing

Large Paint Brush Set - Watercolor Pen Kit for Children's Day Art and Drawing

$31.25

Foldable Car Tire Stone Removal Tool, Explosion-Proof Scraper Hook for Extracting Pebbles from Tires

Foldable Car Tire Stone Removal Tool, Explosion-Proof Scraper Hook for Extracting Pebbles from Tires

$19.53

Black Swan Watercolor, Gouache, and Acrylic Paint Brush Set - Professional Art Painting Tools for Numbered Paint-by-Number Kits

Black Swan Watercolor, Gouache, and Acrylic Paint Brush Set - Professional Art Painting Tools for Numbered Paint-by-Number Kits

$6.80

Jiangchuan 800 Roll-to-Roll Oil-Heated Roller Heat Transfer Machine – Digital Sublimation Printer for Curtain Fabric Rolls

Jiangchuan 800 Roll-to-Roll Oil-Heated Roller Heat Transfer Machine – Digital Sublimation Printer for Curtain Fabric Rolls

$147,743.75

Traditional Handcrafted Wooden Rattle for Newborns – Safe for Teething, Intangible Cultural Heritage Toy

Traditional Handcrafted Wooden Rattle for Newborns – Safe for Teething, Intangible Cultural Heritage Toy

$10.10

All-Season Quiet and Comfortable Vacuum Tires for Buick Enclave 2013-2014 - Custom Fit, Wear-Resistant

All-Season Quiet and Comfortable Vacuum Tires for Buick Enclave 2013-2014 - Custom Fit, Wear-Resistant

$458.00

Mia Core Paper Stump and Blending Knife Set, Double-Ended Blending Pen for Sketching, Art Student Drawing Tools (S/M/L)

Mia Core Paper Stump and Blending Knife Set, Double-Ended Blending Pen for Sketching, Art Student Drawing Tools (S/M/L)

$4.28

Feileniao Gongbi Painting Draft Sheets – Pre-Outlined Bird-and-Flower Designs on Sized Xuan Paper for Color Filling Practice

Feileniao Gongbi Painting Draft Sheets – Pre-Outlined Bird-and-Flower Designs on Sized Xuan Paper for Color Filling Practice

$8.42

Automatic Retractable Air Hose Reel, Electronic Drum, Water Drum, Yarn Clamp, Air Pump Hose for Auto Repair, Beauty, Gardening, and Washing

Automatic Retractable Air Hose Reel, Electronic Drum, Water Drum, Yarn Clamp, Air Pump Hose for Auto Repair, Beauty, Gardening, and Washing

$280.00

LA Curved Surface Screen Printing Machine - Automatic Cup Printer, Cylindrical Net Printer for Cosmetic Bottles

LA Curved Surface Screen Printing Machine - Automatic Cup Printer, Cylindrical Net Printer for Cosmetic Bottles

$26,750.00

Bathroom Toilet Storage Rack - Over-Toilet Shelf for Bathroom, Restroom, Washing Machine with Flip Lid - Space-Saving Organizer

Bathroom Toilet Storage Rack - Over-Toilet Shelf for Bathroom, Restroom, Washing Machine with Flip Lid - Space-Saving Organizer

$59.00

Heavy-Duty Chain Slings for Lifting Rebar and Steel - Manganese Steel Lifting Chains

Heavy-Duty Chain Slings for Lifting Rebar and Steel - Manganese Steel Lifting Chains

$113.00

Toilet Storage Rack - No-Drill Bathroom Organizer for Restrooms and Washrooms

Toilet Storage Rack - No-Drill Bathroom Organizer for Restrooms and Washrooms

$14.80

Shuhai Blanching and Scalding Machine Fully Automatic Fresh Steam FVJ Vegetable Cooking and Cooling Equipment Enoki Mushroom Shiitake Blanching Flow Cooling

Shuhai Blanching and Scalding Machine Fully Automatic Fresh Steam FVJ Vegetable Cooking and Cooling Equipment Enoki Mushroom Shiitake Blanching Flow Cooling

$18,900.00

PELICAN 1020 Waterproof Case - Compact Protective Box for Earphones with Free Shipping

PELICAN 1020 Waterproof Case - Compact Protective Box for Earphones with Free Shipping

$40.00

Marie's Collapsible Brush Washing Bucket Art TEP Watercolor Chinese Painting Brush Rinser Portable Silicone Extendable Small Paint Washing Bucket for Art Students

Marie's Collapsible Brush Washing Bucket Art TEP Watercolor Chinese Painting Brush Rinser Portable Silicone Extendable Small Paint Washing Bucket for Art Students

$12.50

Duosoduoxi Black Series Paper Blending Stumps (6-Pack) - Elastic Xuan Paper Tools for Art Exams and Sketch Highlighting

Duosoduoxi Black Series Paper Blending Stumps (6-Pack) - Elastic Xuan Paper Tools for Art Exams and Sketch Highlighting

$5.10

Factory Direct 502 Super Glue - Instant Adhesive, 3-Second Bond, High-Strength Fast-Drying Glue for Furniture and Wood Repair

Factory Direct 502 Super Glue - Instant Adhesive, 3-Second Bond, High-Strength Fast-Drying Glue for Furniture and Wood Repair

$1.28

NORTON Industrial Red Scouring Pad for Stainless Steel Brushing, Polishing, and Rust Removal – Fine Grit Abrasive Cloth

NORTON Industrial Red Scouring Pad for Stainless Steel Brushing, Polishing, and Rust Removal – Fine Grit Abrasive Cloth

$17.50

Bucket Pack Soft-Tip Glitter Markers, Non-Toxic Washable Color Pens for Student Art and Drawing, Gel Highlighters

Bucket Pack Soft-Tip Glitter Markers, Non-Toxic Washable Color Pens for Student Art and Drawing, Gel Highlighters

$2.99