What is the minimum order quantity (MOQ)?

The Minimum Order Quantity is 1 set.

What are the payment terms?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.

Valve Bag Automatic Top-Folding, Cutting and Sewing Machine Supplier for Cement Bags

Name: Valve Bag Automatic Top-Folding, Cutting and Sewing Machine Supplier for Cement Bags
Brand: Wenzhou Qianfeng Machinery Co., Ltd.
SKU: 2201464645

Zhejiang, ChinaWenzhou Qianfeng Machinery Co., Ltd.

US$27,930.00-37,930.00

1 Set

Product profile

Customization

Available

After-sales Service

Online Support with Lifetime After-Sales Service

Warranty

1 Year

Model NO.

QF-FKJ-600

Product Line

Lines

Voltage

380V

Seals Mode

Thread Sewing

Speed

Medium

Continuous-Rolled

Yes

Sealing & Cutting

None

Layer

Single

Machine Type

Top-Folding, Cutting and Sewing Machine

Computerized

Type

Valve Woven Bag Making Machine

Product Name

Valve Woven Bag Making Machine

Fabric Roll Width

350-550mm

Bag Cutting Length

500-900mm

Cutting Accuracy

±1.5mm

Folding Width

15-30mm

Sewing Machine Type

Single Stitch (Double Stitch for Options)

Number of Sewing Machine

2sets, 2sets, One for Top, One for Bottom

Stitch Pitch

7-12mm

Gross Power

10kw

Gross Weight

5000kg

Transport Package

Seaworthy Packing

Specification

6000x10000x1500mm

Trademark

Qianfeng

Origin

Zhejiang, China

HS Code

8477800000

Production Capacity

200sets Per Year

Key features

One-Person Operation: All operations completed by a single machine for easy one-person use.

Wireless Remote Control: Features wireless remote control for enhanced convenience and efficiency.

Automatic Deviation Correction: Equipped with automatic deviation correction for precise bag production.

Customizable Dimensions: Bag dimensions (width/length) can be customized to specific needs.

Lifetime Technical Support: Provides lifelong technical support and spare parts supply after purchase.

High Production Capacity: Produces 25-35 pieces per minute with a capacity of 400+ machines annually.

ISO Certified Quality: Backed by ISO-certified quality and 40+ patents from a 28-year expert.

Flexible Sewing Options: Supports single stitch or double stitch options with adjustable pitch.

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: ≤1.33h

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 is the warranty period for the machine?

We provide a 1-year warranty for the machine, along with lifelong technical support and spare parts supply.