High-Volume & Secure Bulk Storage Solutions
China Trusted Flexibag Supplier
- COA, ISO, FDA-approved materials
- High-quality, leak-proof flexibags designed for efficient liquid bulk transport
- Customizable sizing and branding to meet specific requirements
- Reliable production with strict quality control measures
- Global shipping with optimized logistics solutions
- 10 Years of Manufacturing Excellence
- B2B Supplier to Top Global Companies
Best Selling Flexitank Models
Certified Food-Grade Materials
Made from 100% virgin PE material, ensuring safety and compliance for direct food contact.
Multi-Layer Barrier Protection
Designed with multi-layered construction to guard against contamination, punctures, and temperature changes.
Leak-Proof Valve System
Patented valves provide airtight sealing, preventing spills and ensuring secure liquid transport.
Odorless and Chemical-Free
Free from chemical residues to maintain the purity and quality of edible liquids.
Temperature-Resistant Design
Built to withstand diverse climate conditions, preserving freshness throughout the journey.
Increased Payload Efficiency
Transport up to 15% more than IBCs and 40% more than drums, reducing shipment frequency and costs.
Enhanced Chemical Resistance
Constructed with industrial-grade PE layers, our flexitanks resist corrosion from oils and chemicals, ensuring safe containment.
Anti-Static Properties
Designed with anti-static materials to reduce the risk of static buildup, enhancing safety in transporting flammable oils.
Customizable Capacity Options
Available in a range of sizes to match your specific volume requirements, maximizing load efficiency for bulk shipments.
Secure Valve System for Thick Liquids
Equipped with reinforced valves optimized for the viscosity of industrial oils, allowing smooth, controlled discharge.
UV-Resistant Exterior Layer
UV-resistant construction protects the flexitank from sun exposure during outdoor loading, reducing risk of material degradation.
Efficient Multimodal Compatibility
Suitable for truck, rail, and sea transport, enabling flexible, efficient logistics across complex supply chains.
High-Temperature Resistance
Specially designed to withstand the high temperatures required to keep asphalt in a liquid state, ensuring stability and safety during transit.
Thermal Insulation Layers
Built with thermal insulation to maintain the optimal temperature of asphalt, reducing the need for reheating upon delivery.
Anti-Leakage Sealing for Viscous Materials
Reinforced, heat-resistant seals prevent leakage of thick, viscous asphalt, maintaining secure containment throughout the journey.
Specialized Discharge Valves
Equipped with high-flow, temperature-resistant valves that allow smooth unloading of viscous asphalt, minimizing time and effort at the destination.
Abrasion-Resistant Design
Outer layers are crafted to resist abrasion from frequent handling, ensuring durability and reliability during long-distance transport.
Robust Structural Integrity
Constructed with heavy-duty PE materials to endure the dense weight and unique handling requirements of asphalt without risk of punctures.
Oxygen Barrier Technology
Equipped with advanced oxygen-barrier layers to prevent oxidation, preserving the wine’s quality, aroma, and taste during transit.
Certified Food-Grade, Taste-Neutral Materials
Made with 100% virgin PE materials that are taste-neutral, ensuring no contamination or alteration of the wine’s natural flavor profile.
UV-Protective Exterior
Built with UV-resistant materials to shield wine from sunlight exposure, safeguarding against heat-induced spoilage and flavor degradation.
Temperature Stability for Freshness
Multi-layered construction provides insulation to maintain stable temperatures, crucial for preserving the integrity of red wine during long journeys.
Leak-Proof and Airtight Sealing
Features patented, air-tight valves that prevent any risk of leakage or air exposure, ensuring safe, spill-free delivery.
Efficient Loading and Unloading
Custom valve systems allow quick and smooth transfer of wine, minimizing handling time and reducing potential exposure to air.
Perfect Fit for Standard Containers
Our flexitanks are designed to fit seamlessly in 20-foot containers, optimizing load space within trucks and allowing for secure, stable transport on the road.
Anti-Surge Baffle Technology
Equipped with internal anti-surge baffles to reduce liquid movement during transit, ensuring safe, balanced truck handling and minimizing the risk of load shifts.
Quick Installation and Removal
Our flexitanks are easy to install and remove, streamlining loading and unloading processes to save on labor time and enhance logistical efficiency.
Leak-Proof Security for Liquid Cargo
Features a high-strength, leak-proof valve system, ensuring liquid cargo remains securely contained, even during long-distance hauls.
Optimized for Multimodal Flexibility
Designed for seamless transition from truck to rail or sea, enabling cost-effective multimodal shipping without needing to transfer the contents between containers.
Temperature Resistance for Diverse Climates
Engineered to endure varying temperatures, our flexitanks are ideal for cross-regional transport, ensuring cargo integrity from origin to destination.
Certified Food-Grade Materials
Made from 100% virgin PE material, ensuring safety and compliance for direct food contact.
Multi-Layer Barrier Protection
Designed with multi-layered construction to guard against contamination, punctures, and temperature changes.
Leak-Proof Valve System
Patented valves provide airtight sealing, preventing spills and ensuring secure liquid transport.
Odorless and Chemical-Free
Free from chemical residues to maintain the purity and quality of edible liquids.
Temperature-Resistant Design
Built to withstand diverse climate conditions, preserving freshness throughout the journey.
Increased Payload Efficiency
Transport up to 15% more than IBCs and 40% more than drums, reducing shipment frequency and costs.
Enhanced Chemical Resistance
Constructed with industrial-grade PE layers, our flexitanks resist corrosion from oils and chemicals, ensuring safe containment.
Anti-Static Properties
Designed with anti-static materials to reduce the risk of static buildup, enhancing safety in transporting flammable oils.
Customizable Capacity Options
Available in a range of sizes to match your specific volume requirements, maximizing load efficiency for bulk shipments.
Secure Valve System for Thick Liquids
Equipped with reinforced valves optimized for the viscosity of industrial oils, allowing smooth, controlled discharge.
UV-Resistant Exterior Layer
UV-resistant construction protects the flexitank from sun exposure during outdoor loading, reducing risk of material degradation.
Efficient Multimodal Compatibility
Suitable for truck, rail, and sea transport, enabling flexible, efficient logistics across complex supply chains.
High-Temperature Resistance
Specially designed to withstand the high temperatures required to keep asphalt in a liquid state, ensuring stability and safety during transit.
Thermal Insulation Layers
Built with thermal insulation to maintain the optimal temperature of asphalt, reducing the need for reheating upon delivery.
Anti-Leakage Sealing for Viscous Materials
Reinforced, heat-resistant seals prevent leakage of thick, viscous asphalt, maintaining secure containment throughout the journey.
Specialized Discharge Valves
Equipped with high-flow, temperature-resistant valves that allow smooth unloading of viscous asphalt, minimizing time and effort at the destination.
Abrasion-Resistant Design
Outer layers are crafted to resist abrasion from frequent handling, ensuring durability and reliability during long-distance transport.
Robust Structural Integrity
Constructed with heavy-duty PE materials to endure the dense weight and unique handling requirements of asphalt without risk of punctures.
Oxygen Barrier Technology
Equipped with advanced oxygen-barrier layers to prevent oxidation, preserving the wine’s quality, aroma, and taste during transit.
Certified Food-Grade, Taste-Neutral Materials
Made with 100% virgin PE materials that are taste-neutral, ensuring no contamination or alteration of the wine’s natural flavor profile.
UV-Protective Exterior
Built with UV-resistant materials to shield wine from sunlight exposure, safeguarding against heat-induced spoilage and flavor degradation.
Temperature Stability for Freshness
Multi-layered construction provides insulation to maintain stable temperatures, crucial for preserving the integrity of red wine during long journeys.
Leak-Proof and Airtight Sealing
Features patented, air-tight valves that prevent any risk of leakage or air exposure, ensuring safe, spill-free delivery.
Efficient Loading and Unloading
Custom valve systems allow quick and smooth transfer of wine, minimizing handling time and reducing potential exposure to air.
Perfect Fit for Standard Containers
Our flexitanks are designed to fit seamlessly in 20-foot containers, optimizing load space within trucks and allowing for secure, stable transport on the road.
Anti-Surge Baffle Technology
Equipped with internal anti-surge baffles to reduce liquid movement during transit, ensuring safe, balanced truck handling and minimizing the risk of load shifts.
Quick Installation and Removal
Our flexitanks are easy to install and remove, streamlining loading and unloading processes to save on labor time and enhance logistical efficiency.
Leak-Proof Security for Liquid Cargo
Features a high-strength, leak-proof valve system, ensuring liquid cargo remains securely contained, even during long-distance hauls.
Optimized for Multimodal Flexibility
Designed for seamless transition from truck to rail or sea, enabling cost-effective multimodal shipping without needing to transfer the contents between containers.
Temperature Resistance for Diverse Climates
Engineered to endure varying temperatures, our flexitanks are ideal for cross-regional transport, ensuring cargo integrity from origin to destination.
Factory-Direct Pricing, No Middleman Markups
Tired of unpredictable price changes and costly middleman markups? We eliminate the hassle by offering factory-direct pricing, giving you a stable and competitive cost structure you can rely on.
As a direct manufacturer, we control every aspect of production, allowing us to pass cost savings directly to you. This means you avoid the fluctuating prices often seen with brokers and resellers. With us, you benefit from transparent pricing, high-quality products, and the peace of mind that comes with knowing you’re getting the best value—straight from the source.
Advanced Customization with Precision Formulations
For over a decade, we’ve refined our approach to PE blending through continuous research, development, and testing in our laboratory.
Partnering with top-tier resin suppliers like ExxonMobil, we leverage cutting-edge materials to create tailored formulations. This expertise allows us to deliver flexibags that are uniquely suited to your specific commodities, ensuring enhanced durability and performance.
By choosing us, you gain access to customized solutions that are developed for your precise needs—giving you confidence in every shipment.
Leak-Proof Assurance with Patented Valve Technology
Nothing is worse than dealing with leaks and spills during transport, causing financial loss and logistical headaches. That’s why we’ve integrated a patented butterfly and ball valve system into every Yundu flexibag.
Each valve is individually designed, manufactured, and rigorously tested to ensure perfect air-tightness. Mechanically fitted for reliability, this advanced valve technology provides leak-proof security, giving you peace of mind that your liquids will arrive safely, no matter the distance.
Durable Flexibags You Can Rely On
Low-quality flexibags often fail after just one use, wasting valuable time and resources. We know that durability and reusability are critical to your business, which is why every Yundu flexibag is crafted from 100% new PE material—ensuring top-tier strength and longevity.
Our flexibags are designed to withstand multiple uses and are rigorously tested to exceed industry durability standards. All materials and production processes meet the strict PAS1008:2018 standards, and each flexibag undergoes thorough testing, including the COA Impact Test, CRCC Rail Impact Test, and AAR Rail Impact Test. These tests prove that Yundu flexibags are strong enough to transport liquid cargo across the globe, ensuring your goods arrive safely and securely every time.
Tailored to Meet Your Industry’s Exact Standards
When it comes to transporting sensitive cargo, a one-size-fits-all solution just won’t work. At Yundu, we design flexibags specifically for your industry’s needs—whether it’s food safety, chemical containment, or agricultural durability.
For food-grade applications, we use materials certified for direct food contact to ensure product safety throughout transit. For chemical transport, our flexibags are enhanced with chemical-resistant linings and reinforced seals to prevent leaks or contamination.
Our commitment to industry-specific compliance means every flexibag meets necessary regulations, safeguarding your cargo and giving you peace of mind for international shipping.
Efficient Packing That Cuts Your Costs
Packing inefficiencies shouldn’t increase your costs. We strategically design and load our flexibags to maximize container space, allowing you to transport more product per shipment and reduce overall procurement costs.
Our flexibags are crafted with precise sizing and reinforced materials that enable optimal stacking and filling, making the most of every container. By minimizing wasted space, we help you lower transportation expenses, streamline logistics, and increase the cost-effectiveness of each order. With us, you get a solution that’s efficient in every way—from packing to pricing.
Most Popular Questions
Our flexitanks feature a patented butterfly and ball valve system, each individually tested to ensure an airtight seal. This design, combined with our reinforced multi-layer construction, provides exceptional leak-proof security, even for high-stress liquid shipments.
Yes, our flexitanks are built with enhanced chemical resistance and high-strength materials, making them ideal for transporting industrial oils and chemicals. They’re designed to withstand corrosion and heavy loads, ensuring secure transport of these materials.
Yes, our flexitanks are highly versatile and suitable for multimodal transport. They’re compatible with truck, rail, and sea freight, allowing for seamless, efficient transitions without the need to transfer contents between containers, which minimizes handling and preserves product integrity.
Our flexitanks are engineered with multi-layer thermal insulation, offering excellent temperature resistance to protect sensitive cargo from environmental fluctuations. This is particularly advantageous for products like edible oils, red wine, and certain chemicals that require stable temperatures.
Our standard lead time for flexitanks is typically 15-20 days, depending on order volume and customization requirements. With our 10 production lines and optimized logistics, we ensure on-time delivery for both standard and high-volume orders, helping you maintain a steady supply chain.
Absolutely. We welcome third-party inspections and also offer pre-shipment inspection services ourselves. These inspections verify that the products meet your specifications and quality standards before shipment, providing you with peace of mind.
Yes, we offer samples for overseas buyers. We will ship a sample flexitank to your location, and you cover the sample and shipping costs. Sampling allows you to assess product quality before placing a larger order.
Our customer support team is available to assist with any issues post-delivery. We offer a comprehensive after-sales service, including troubleshooting, guidance on use, and swift resolution of any quality concerns, ensuring your complete satisfaction with our products.
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Only 3 Steps to Move on
We Turn Your Packaging Needs into Reality!
- Tell us the details of the flexitank you need—such as capacity, product specifications, and any special features like chemical resistance, food-grade certification, or temperature insulation.
- Our team will analyze your specifications and create a tailored solution for your needs. Within 24 hours, we’ll provide you with a detailed quote and design options to match your exact requirements.
- Once you’re satisfied with the quote and design, we’ll start production immediately. We handle the entire shipping process as well, ensuring your order is manufactured on time and delivered promptly to your location.