How does the machine handle cutting for different bag types?

It allows seamless switching between cold-cutting (for laminated bags) and hot-cutting (for non-laminated bags) in under 1 minute. Hot cutting seals edges without adhesion, while cold cutting provides clean, fray-resistant edges.

What is the warranty period for the machine?

We provide a 1-year warranty for the machine, along with lifetime after-sales service and lifelong technical support.

Fully Automatic Mouth Hemming Industrial Overlock Sewing Machine Price for Woven Bags

Name: Fully Automatic Mouth Hemming Industrial Overlock Sewing Machine Price for Woven Bags
Brand: Wenzhou Qianfeng Machinery Co., Ltd.
SKU: 2199052835

Zhejiang, ChinaWenzhou Qianfeng Machinery Co., Ltd.

US$42,700.00-57,700.00

1 Set

Product profile

Customization

Available

After-sales Service

Online Support with Lifetime After-Sales Service

Warranty

1 Year

Model NO.

QF-QFQ-650

Product Line

Lines

Voltage

380V

Seals Mode

Thread Sewing

Speed

Medium

Continuous-Rolled

Yes

Sealing & Cutting

None

Layer

Single

Machine Type

Top Hemming, Cutting and Sewing Machine

Computerized

Type

Woven Bag Making Machine

Product Name

Top Hemming Cutting and Sewing Machine

Max. Diameter of Unwinding Roll

1200mm

Max. Cutting Width

680mm

Cutting Length

600-1100mm

Cutting Accuracy

±1.5mm

Bag Folding Width

15-30mm

Cutting Type

Hot Cutting or Cold Cutting or Both as Required

Sewing Machine Type

Single Stitch (Double Stitch for Option)

Stitch Pitch

7-12mm

Gross Power

10kw

Gross Weight

4000kg

Installing Dimensions (Lxwxh)

6000X10000X1700mm

Remarks

7.5kw Air Compressor Prepared by The Customer

Transport Package

Seaworthy Packing

Specification

6000x10000x1700mm

Trademark

Qianfeng

Origin

Zhejiang, China

HS Code

8477800000

Production Capacity

200sets Per Year

Key features

70-80% Labor Reduction: Fully automated cutting, bottom sewing, and top hemming processes significantly reduce manual labor.

Ultrasonic Hemming Tech: Integrates automatic ultrasonic welding to fold bag openings and seal inner/outer layers simultaneously.

Dual Cutting Modes: Seamlessly switch between cold-cutting and hot-cutting in under 1 minute for different bag types.

Automatic Deviation Correction: System ensures precise production, reduces material waste, and enhances overall efficiency.

Lifetime After-Sales Service: Provides online support, lifelong technical support, and lifelong spare parts supply.

Flexible Customization: Machines can be customized for bag dimensions, printing colors, and cutting types as required.

High Production Capacity: Produces 20-27 pieces per minute with automatic counting and stacking for efficient discharge.

Company profile

High Repeat Buyers ChoiceImporters and Exporters

Wenzhou Qianfeng Machinery Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo PortAverage Response Time: ≤1.57h

AI-Powered supplier vetting

SummaryWenzhou Qianfeng Machinery Co., Ltd. is a China-based limited company in Zhejiang, identified as a combined business entity. The supplier states it has 28 years of expertise, over 40 patents, ISO-certified quality, and more than 2,000 clients worldwide; however, its stated establishment date is February 26, 2025, creating an unresolved inconsistency regarding organizational history. Its product portfolio focuses on PP/PE woven-bag production equipment, including automatic cutting and sewing, printing, gusseting, and baling machinery. Reported annual productivity is 200 sets each for two machine categories. An SGS audit record is provided and is valid from March 28, 2025 to March 27, 2026, but supplier-management certification is listed as NIL. Export sales are reported at 11%–20%. Evidence is insufficient to confirm after-sales infrastructure, financial credibility, R&D/customization services, or overseas service channels. No financial data is included.

Supplier typeThe supplier is identified as a combined business entity and a limited company, operating from Zhejiang, China. The legal/business form is explicitly provided, but no more detailed classification of the combined structure is available.

R&D capabilityThe supplier claims 28 years of expertise as a national high-tech enterprise, more than 40 patents, and smart woven-bag production solutions. Nevertheless, specific R&D service capabilities, new-product development, SDK availability, ERP integration, and related sustainability systems are marked unknown, so the breadth and current effectiveness of innovation capability remain unverified.

Production capacityThe supplier offers a focused range of woven-bag equipment and reports annual productivity of 200 sets each for automatic cutting and sewing machines and cylinder-free reel-to-reel printing machines. Its stated product scope and output support production capability for these categories, although capacity for other products is not provided.

Client casesThe supplier states that its smart solutions are trusted by more than 2,000 satisfied clients worldwide, with reported customer markets across Southeast Asia, the Middle East, Central Asia, Russia, and Africa. This is evidence of broad claimed customer reach, but no named customers, project details, or independently verifiable case studies are provided.

Product Q&A

Q:What types of machines does Qianfeng Machinery produce?

We specialize in manufacturing multifunctional automatic woven bag cutting and sewing machines and woven bag printing machines. Our equipment is widely used for producing PP/PE woven sacks in industries like agriculture, food, chemicals, and construction.

Q:What is your production capacity and lead time?

Production Capacity: We produce 400+ machines annually. Standard Delivery Time: around 30 days after deposit (depending on model and customization). Expedited Options: Available for urgent needs (contact us for details).

Q:Can your machines handle customized bag sizes/designs?

Yes! Our machines can be customized for: Bag dimensions (width/length adjustments), Printing colors (1-6 colors, flexographic).

Q:What support do you provide after purchase?

Free remote installation guidance (or onsite engineer dispatch), One-year warranty + lifelong technical support, Lifelong spare parts supply.

Q:What are the key features of the automatic hemming process?

The machine integrates fully automatic ultrasonic hemming technology, automatically folds the woven bag opening inward while simultaneously performing ultrasonic welding of the inner film and outer woven bag layers.