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Packaging Block Bottom Polypropylene Plastic Kraft Paper 50kg Cement Sack Valve Bag
US$0.139
10,000-149,999 Pieces
US$0.103
150,000+ Pieces
Sample price:US$0.10/piece.Request sample
Product profile
Customization
AvailableApplication
Cement, Chemical, Fertilizer, Fodder, Food, Fruit Bag, Sand Bag, TransportClosure Type
Block BottomModel NO.
valve bag-1Feature
WaterproofLoading Capacity
25 KgMaterial
PPPrinting
Customized PrintingSurface Treatment
Anti-Slip TreatmentThickness
15-20GSMIndustrial Use
Pharmaceutical, Apparel, Agriculture, ChemicalLayered
Basic LevelHardness
SoftHeat Seal
LDPEFunctional Layer
VMPETPackaging
BagBag Sealing Methods
Flat Bag PackagingBasic Level
PPDelivery Time
25daysBag Type
Bag with ValveMOQ
10000PCSUV
TreatedColor
White, Red, Green etcBottom
Block BottomBrand
Chengda PackTransport Package
Customized Packaging(Min. Order: 10000 Pieces)Specification
50x60x10cm or customizedTrademark
CD PackOrigin
Shandong, ChinaHS Code
630533Production Capacity
3000000PC/MonthKey features
Customized Printing: 1-8 colors available for both sides with offset or flexible printing.
Customized Dimensions: Width 30-60cm and length fully customizable to meet specific needs.
High Strength Material: Made of PP woven fabric with high puncture resistance and moisture-proof features.
Versatile Applications: Suitable for cement, chemical, fertilizer, feed, food, and sand packaging.
Environmental Protection: Features anti-UV, anti-aging, anti-static, and pollution-resistant properties.
Efficient Valve Design: Valve on top or bottom improves packaging efficiency compared to ordinary bags.
ISO 9001 Certified: Manufacturing process meets ISO 9001:2008 quality standards.
Competitive Pricing: Advanced equipment and technology ensure quick delivery and cost-effective rates.
Company profile

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Flexible customization CertifiedExport Year: 6 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.62h 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 to get a sample?
A:
Existing samples are free, you just shoulder the courier charges. Custom samples take 5-7 days.
Q:What printing methods do you use?
A:
We adopt offset printing and flexible printing to perfectly display your design using eco-friendly ink.
Q:How many printing cylinders are needed?
A:
Usually 4 to 5 printing cylinders are enough to treat all beautiful photos.
Q:What is the printing plate charge?
A:
According to the PP woven bag size, there is a charge of US$100 more or less for each color.
Q:What are the customization options for dimensions?
A:
Width is 30-60cm and length is as customer's need. Fabric weight is 50-80g/m2 or customer's need.
Send Inquiry
*To:
Chengda Pack Industry (Qingdao) Co., Ltd.
Chengda Pack Industry (Qingdao) Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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