High Quality PP Valve Bags for Cement and Chemicals

Name: High Quality PP Valve Bags for Cement and Chemicals
Brand: Chengda Pack Industry (Qingdao) Co., Ltd.
SKU: 2180091562

Shandong, ChinaChengda Pack Industry (Qingdao) Co., Ltd.

US$0.286

10,000-29,999 piece

US$0.116

30,000+ piece

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Application

Cement, Chemical, Fertilizer, Fodder, Food, Fruit Bag, Sand Bag, Transport, Vegetable Bag

Closure Type

Self-Sealing / Heat Sealed / Sewn

Model NO.

paper valve bag-2

Feature

Recyclable/Tear-Resistant /Waterproof

Loading Capacity

20kg 25kg 40kg 50kg

Material

Printing

Customized Printing

Surface Treatment

Coating/Glossy Finish

Size

50cm*60cm*11cm (as Customized )

Insert Liner

Plastic Inner Is Ok, More Moisture Proof

Usage

Rice, Flour, Sugar, Fertilizer, Sand, Cement, etc

Characteristics

Fine Workmanship,Double Protection, and Leak Preve

HS

6305330090

Transport Package

500 Pieces/Bundle( Bale), 1000 Pieces/ Bundle(Bale

Specification

Customized

Trademark

QDCD Pack

Origin

Shandong, China

HS Code

6305330090

Key features

100% Virgin PP Material: Made from 100% high-quality virgin polypropylene for superior strength and durability.

Customized Printing Options: Up to 4 colors for coating/plain bags and up to 10 colors for BOPP film bags.

Wide Customization Range: Customizable size, weight (40-230 GSM), color, and specific treatments like PE liner or gusset.

Multiple Closure Types: Available in Heat Cut, Cold Cut, Zig-Zag Cut, or Hemmed top closures.

Versatile Applications: Suitable for cement, fertilizer, feed, food, sand, and various agricultural products.

Eco-Friendly and Recyclable: Non-toxic, food grade, and fully recyclable materials meeting environmental standards.

Advanced Surface Treatments: Options include UV protection, anti-slip coating, and moisture-proof laminated layers.

Certified Quality Standards: Verified by SGS, CE, ISO9001, GRS, TUV, and BV with strict 3-step quality control.

Company profile

Chengda Pack Industry (Qingdao) Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Flexible customization CertifiedExport Year: 6 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.40h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryChengda Pack Industry (Qingdao) Co., Ltd. is a China-based trading company established in 2019 with seven employees and operations in Qingdao, Shandong. It offers multiple woven and flexible packaging products and reports more than 10 production lines, substantial stated product output, and export markets across South America, Southeast Asia, the Middle East, and North America. The company states that it has professional sales, service, design, and R&D teams, including a Malaysia-based sales and service team. An SGS audit record is provided with validity from March 19, 2025 to March 18, 2026, but the audit result is recorded as “0” without an explained interpretation. Evidence is insufficient to verify outsourcing controls, inventory, overseas warehousing, OEM/ODM services, raw-material traceability, or customer cases.

Supplier typeThe supplier is explicitly identified as a Trading Company and Limited Company registered in China, with its operating province in Shandong and city location in Qingdao. Its associated industry is wholesale and retail, supporting classification as a trading-oriented business rather than a clearly documented manufacturer.

After-Sales capabilityChengda Pack states that it has a professional sales and service team and a Malaysia-based team responsible for packaging bag sales and service in Southeast Asia. Specific after-sales processes, service-level commitments, inventory support, overseas warehouse capability, and showroom services are all marked unknown.

R&D capabilityThe company describes a design and R&D team established at the beginning of its operations and states that it develops packaging solutions for manufacturers and logistics companies. Nevertheless, product-development status, ODM availability, OEM capability, SDK-related R&D, and other structured innovation indicators are marked unknown.

Production capacityThe supplier reports operating more than 10 production lines and provides output figures for PP valve bags, BOPP laminated woven bags, PP woven bags, FIBC bulk bags, and PP woven fabric rolls, including 8,000 tons for fabric rolls. Its export markets include South America, Southeast Asia, the Middle East, and North America, while the records also identify Qingdao as the nearest port.

Product Q&A

Q:How does the valve bag seal itself after filling?

The valve bag is designed with a specific opening angle. After high speed filling, the internal pressure of the powder pushes the valve flaps inward to create an automatic self seal without the need for extra sewing or heat sealing.

Q:Will the powder leak from the valve during transport?

No. Our valve bags feature precision cut valves and micro porous designs. For ultra fine powders, we can add a PE inner liner or heat seal the valve to guarantee zero leakage.

Q:Are these bags stable for high stacking?

Yes. We offer square bottom designs and anti slip treatments to ensure the bags remain stable on pallets. This prevents shifting or collapsing during storage and shipping.

Q:Can I print my brand logo on the bag?

Yes. We support customized printing with up to 10 colors for BOPP laminated bags. This allows for high quality branding and clear product identification.

Q:What is the difference between a square bottom and a flat bottom valve bag?

A square bottom bag stands upright automatically after filling, which makes it easier to stack and palletize. A flat bottom bag may require tapping to settle the product before it stands stable.