What if there is poor sealing or bag breakage?

We perform 100% factory testing on each batch. We offer free replacement or concession acceptance for quality issues and provide video guidance.

What is the warranty period?

We provide a 3-year warranty period for our products.

Multi-Wall Durable Kraft Paper Block Bottom Valve Bag for Flour Packaging

Name: Multi-Wall Durable Kraft Paper Block Bottom Valve Bag for Flour Packaging
Brand: Wenzhou Pinxin Packaging Co., Ltd.
SKU: 2287381315

Zhejiang, ChinaWenzhou Pinxin Packaging Co., Ltd.

US$0.10-0.25

15,000 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Type

Soft Bag

Material

Kraft Paper

Model NO.

Customized

Waterproof

Product Name

Kraft Paper Valve Bag

Keywords

Kraft Valve Bag

OEM Custom

Logo Custom

Number of Layers

Multi-Wall

Bag Capacity

Customizable

Valve Type

Self-Sealing Valve

Primary Application

Chemical & Industrial Packaging

Transport Package

Stretch Wrap + Pallet

Specification

Customized

Trademark

Customized

Origin

Zhejiang, China

Production Capacity

60000000pieces/Year

Key features

Self-Sealing Valve Design: Automatically closes after filling to prevent leakage and reduce packaging time by up to 40%.

Multi-Wall Durability: High-strength kraft paper construction supports 25-50kg loads with reinforced block bottom stability.

Customizable Specifications: Bag capacity and printing options are fully customizable to meet specific brand and volume needs.

Eco-Friendly Material: Made from 100% recyclable and biodegradable kraft paper, offering a sustainable alternative to plastic.

Space-Efficient Storage: Flat-folded delivery reduces storage space requirements by up to 80% compared to pre-formed bags.

Dust Control Efficiency: Precision-engineered valve controls dust emissions, ensuring clean production environments and safety.

Versatile Applications: Ideal for building materials, chemicals, agriculture, and mineral industries requiring bulk packaging.

OEM and Logo Customization: Accepts OEM orders with custom printing up to 8 colors, including anti-counterfeit marks and QR codes.

Company profile

Wenzhou Pinxin Packaging 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 Port, Shanghai PortAverage Response Time: ≤11.77h

About Our Factory & Business Background

AddressShanhai Street, Wenzhou, Zhejiang, China

Plant Area7201 square meters

Number of Employees94

Registered Capital30,000,000 RMB

Terms of PaymentT/T, LC

International Commercial Terms(Incoterms)FOB

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity500 Pcs

Supply Chain Partners50

Our Production Capability & Technical Expertise

Main ProductsPP woven bag, Aluminum foil bag

Production Lines4

Production MachinesWire drawing machine, Laminating machine, Middle-seam bag making machine, Palletizer, Circular weaving machine, Package machine, Bag turning machine, Printing machine, Edge take-up embosser, Automatic heat-sealing bag making machine for woven, Wire drawing machine

QA/QC inspectors7 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instruction but no written records

R&D Engineers2 people

Traceability of Raw MaterialsYes

Test Reports for Raw MaterialsOthers

Our Industry Experience & Global Business Record

Year of Establishment2015-09-25

Main MarketsDomestic

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff2

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015, ISO45001:2018, ISO14001, Others

Cooperated with Fortune 500Yes

Product Q&A

Q:What are your main products?

We focus on high-end industrial packaging solutions. Our core products include: FFS heavy-duty film, Feed bags, Valve bags, Paper-plastic sewn middle seam bags, Ton bags, and High barrier MDO film.

Q:Which industries do you serve?

We have deep expertise in feed, building materials, and chemicals. We have established long-term cooperation with over 50 domestic and international companies.

Q:Do your products meet quality standards?

Yes. We hold a full set of certifications, including ISO 9001, ISO 14001, and ISO 45001.

Q:Do you offer custom printing and what is the MOQ?

Printing includes gravure/flexo multi-color printing up to 8 colors. MOQ for valve bags is about 5,000 pieces, while trial orders for FFS roll film and ton bags are negotiable.

Q:How do you ensure moisture protection during sea freight?

An aluminum foil moisture barrier or PE inner liner can be added. Desiccants are placed inside the container, and a fumigation certificate is provided if wooden pallets are used.