What is the warranty period for the equipment?

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

What are the main applications of this sewing machine?

It is designed for fully automated cutting and integrated bottom sewing of plastic bags, processing both laminated and non-laminated bags with high efficiency.

Precision-Length Control Cold/Hot Cutting Sewing Machine for Plastic Bags

Name: Precision-Length Control Cold/Hot Cutting Sewing Machine for Plastic Bags
Brand: Wenzhou Qianfeng Machinery Co., Ltd.
SKU: 2192847235

Zhejiang, ChinaWenzhou Qianfeng Machinery Co., Ltd.

US$16,430.00-26,430.00

1 Set

Product profile

Customization

Available

After-sales Service

Online Support with Lifetime After-Sales Service

Warranty

1 Year

Model NO.

QF-QFJ-850

Condition

New

Certification

ISO9001

Application Place

Factory

Applicable Thickness

Middle Thickness Material

Drive

Electric

Thread Number

Double Threads

Needle Number

Single Needle

Stitch Type

Chain Type

Product Name

Cutting and Sewing Machine

Max. Diameter of Unwinding Roll

1200mm

Max. Cutting Length

1300mm

Folding Width

20-30mm

Total Power

3kw

Voltage

380V

Speed

High

Max. Cutting Width

750mm

Cutting Precision

±1.5mm

Gross Weight

2800kg

Power

6kw

Transport Package

Seaworthy Packing

Specification

Customized

Trademark

Qianfeng

Origin

China

HS Code

8477800000

Production Capacity

200sets Per Year

Key features

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

Labor Reduction: Fully automated process reduces labor by 50% compared to manual operations.

Automatic Correction: Deviation correction system ensures precise production and reduces waste.

Lifetime Support: Online support with lifetime after-sales service and spare parts supply.

Flexible Customization: Customizable bag dimensions, printing colors, and machine configurations.

Efficient Operation: Electric hoist-fed system and handheld remote for effortless control.

ISO Certified Quality: Backed by ISO9001 certification and 40+ patents for reliable performance.

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: ≤0.97h

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:Does the machine support both cold and hot cutting?

Yes, the machine allows seamless switching between cold-cutting (for laminated bags) and hot-cutting (for non-laminated bags) in under 1 minute.