Flexible Storage Solutions for Water, Fuel & Aquaculture

Premium flexible tanks made from durable PVC and TPU materials. Ideal for water storage, fish farming, fuel oil, irrigation, and emergency response. Trusted by industries worldwide since 2006.

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Water Storage

From 250L to 10,000L capacities. Perfect for rainwater harvesting, irrigation, fire reserves, and construction sites.

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Fish Farming Tanks

Non-toxic, durable fish ponds with galvanized coaming. Ideal for aquaculture, hatcheries, and mobile fish farming.

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Fuel & Oil Tanks

Flexible fuel bladders for diesel, oil, and industrial liquids. Lightweight, foldable, and corrosion-resistant.

Trusted Manufacturer Since 2006

Weifang Rongda Flexitank Co., Ltd. is a leading Chinese manufacturer specializing in high-performance flexible storage solutions. With over 18 years of experience, we serve clients in agriculture, construction, mining, emergency relief, and aquaculture.

Our tanks are made from reinforced PVC and TPU-coated fabrics, offering superior strength, UV resistance, and chemical durability. All products are customizable in size, shape, color, and capacity to meet your exact needs.

18+

Years in Business

50+

Countries Served

Our Premium Products

Engineered for durability, portability, and long-term performance. All tanks are foldable, lightweight, and easy to install on-site.

Pillow Water Tank

Ideal for industrial water, fire reserves, rainwater harvesting, and construction sites.

✅ Foldable & lightweight
✅ 0.6mm–1.2mm PVC/TPU coating
✅ Capacities: 250L to 10,000L
✅ Custom shapes & colors

Flexible Garden Water Pool

Perfect for home gardens, irrigation, and decorative water features.

✅ Non-toxic PVC tarpaulin
✅ UV & tear resistant
✅ Round, oval, rectangular shapes
✅ Colors: Blue, Green, Gray, Orange

Galvanized Canvas Fish Tank

Durable aquaculture solution with steel frame support.

✅ Anti-leak design
✅ Easy to clean & maintain
✅ Ideal for hatcheries & mobile farms
✅ Corrosion-resistant coating

Cylindrical Water Tank

Vertical design for space-efficient water storage.

✅ High-pressure resistance
✅ Reinforced seams
✅ Suitable for potable water
✅ Long service life

Flexible Fuel Oil Tank

Safe storage for diesel, oil, and industrial liquids.

✅ Chemical & abrasion resistant
✅ Foldable when empty
✅ Leak-proof valves & fittings
✅ Ideal for remote sites

Rectangular Fish Tank

Space-optimized design for commercial fish farming.

✅ Flat sides for easy stacking
✅ High structural integrity
✅ Easy to integrate with filters
✅ Customizable inlet/outlet ports

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Swimming Pool Liners

Flexible, durable liners for temporary or permanent pools.

✅ Non-toxic & safe for swimmers
✅ UV stabilized
✅ Resistant to chlorine & algae
✅ Custom-fit installation

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Onion Tank

Self-supporting flexible tank with onion-like shape.

✅ No external frame needed
✅ High volume-to-weight ratio
✅ Rapid deployment
✅ Ideal for emergency water supply

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Why Choose RDFlexiTank?

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Foldable & Portable

Tanks fold flat when empty, reducing transport costs by up to 90%.

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Durable Materials

Made from industrial-grade PVC and TPU with UV, tear, and chemical resistance.

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Easy Installation

No concrete or welding required. Set up in hours, not days.

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Eco-Friendly

Reusable, recyclable materials. Reduces environmental impact vs. concrete tanks.

Frequently Asked Questions

Are your tanks safe for drinking water?

Yes, our water tanks are made from non-toxic, food-grade PVC and TPU materials that meet international safety standards for potable water storage.

How long do the tanks last?

With proper care, our tanks have a service life of 5–10 years. UV resistance and anti-aging additives extend longevity.

Can I customize the size and color?

Absolutely. We offer OEM/ODM services. You can customize capacity, dimensions, shape, color, and fittings.

Do you ship internationally?

Yes, we export to over 50 countries. Fast logistics and reliable delivery partners ensure timely arrival.

What’s the installation process like?

Installation is simple: prepare a flat, debris-free surface, unfold the tank, connect inlet/outlet, and fill slowly. Full instructions provided.

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