How do you ensure moisture protection during sea freight?

We can add aluminum foil barriers or PE liners, place desiccants in containers, and provide fumigation certificates for wooden pallets.

What if there is poor sealing or bag breakage?

We perform 100% factory testing and offer free replacement or concession for quality issues, along with video guidance.

Dust-Free Durable Kraft Paper Multi-Layer Valve Bag for Waterproofing Powder

Name: Dust-Free Durable Kraft Paper Multi-Layer Valve Bag for Waterproofing Powder
Brand: Wenzhou Pinxin Packaging Co., Ltd.
SKU: 2287272095

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 Bag Capacity: Specifications can be tailored to meet specific volume and weight requirements.

Custom Printing Options: Gravure or flexo printing available with up to 8 colors and anti-counterfeit features.

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

Eco-Friendly Material: Made from 100% recyclable and biodegradable kraft paper meeting international environmental standards.

Dust Emission Control: Precision-engineered valve controls dust flow to improve workplace safety and cleanliness.

Versatile Applications: Ideal for building materials, chemicals, food additives, agriculture, and mineral industries.

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: ≤24h

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, and who are your major customers?

We serve feed, building materials, and chemicals industries with over 50 domestic and international partners, including China Petroleum & Chemical Corporation, Asia Paint, and Chia Tai Group.

Q:Do your products meet quality standards?

Yes. We hold ISO 9001, ISO 14001, and ISO 45001 certifications for quality, environmental, and occupational health management.

Q:What sensitive products can the high barrier MDO film be used for?

It blocks oxygen, water vapor, and UV rays, making it suitable for premium feed, chemical additives, and food-grade powders.

Q:Do you offer custom printing? What is the MOQ?

We offer up to 8-color printing with anti-counterfeit marks. MOQ is about 5,000 pieces for valve bags, while trial orders are negotiable for FFS film and ton bags.