Large flexible water storage bladder in a modern factory

Flexible Storage & Containment Solutions

Reliable Water, Fuel & Biogas
Storage Products for Global Buyers

PVC water bladders, biogas storage bags, oil bladders, collapsible rainwater tanks, oil containment booms and more — custom sizes, OEM branding, factory-direct pricing.

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Product Range

Products We Supply

Flexible storage and containment products for agriculture, livestock, environmental protection, marine engineering, construction and energy industries.

PVC flexible water storage bladder

Flexible Water Storage Bladders

PVC pillow-type water bladders for irrigation, construction, fire-fighting and food-grade use. From 100L to 50,000L+.

  • Pillow Tanks
  • Bridge Pre-loading Bags
  • Food-grade TPU/PVC
  • Fire Water Tanks
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Flexible biogas storage bag in farm

Biogas Storage Bags & Digesters

Foldable biogas storage bags and soft digesters for farms and biogas plants. Easy installation, long service life.

  • Biogas Storage Bags
  • Soft Digesters
  • Gas Balloons
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Flexible fuel and oil storage bladder

Fuel & Oil Storage Bladders

Flexible bladders for diesel, petrol and lubricant storage and transport. Multi-layer TPU/PVC construction with anti-static options.

  • Vehicle-mounted Bladders
  • Large Capacity Oil Bladders
  • Fuel Transport Bladders
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Collapsible rainwater harvesting tank

Collapsible Rainwater Tanks

Foldable water tanks for rainwater harvesting, emergency water supply and agriculture. Compact to store, quick to set up.

  • Rainwater Harvesting
  • Water Storage Tanks
  • Emergency Water Supply
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Floating oil containment boom at sea

Oil Containment Booms

Inflatable floating booms for oil spill response, harbour protection and floating debris control. Various sizes and configurations.

  • Oil Containment Booms
  • Floating Debris Barriers
  • Marine & Harbour Use
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Inflatable rubber airbag for bridge pre-loading

Inflatable Rubber Airbags

Rubber airbags for bridge pre-loading, pipe plugging, ship launching and heavy lifting. High strength, reusable design.

  • Bridge Pre-loading
  • Pipe Plugging Bags
  • Pressure & Lifting Airbags
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Steel frame swimming pool in garden

Frame Water Tanks & Swimming Pools

Steel frame pools and modular frame water tanks for residential, commercial and event use. Quick assembly, durable structure.

  • Steel Frame Pools
  • Frame Water Tanks
  • Custom Sizes
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Can't find what you need? We support custom sizes, materials, colors, fittings and logos — tell us your requirement.

About Us

Liaocheng Shizhi Trading Co., Ltd.

Shizhi Trading is an export-focused trading company based in Liaocheng, Shandong, China. We specialize in flexible storage and containment products, working closely with experienced manufacturers to deliver reliable, durable and cost-effective solutions for customers worldwide.

From PVC water bladders and biogas storage bags to fuel bladders, oil containment booms and steel frame pools, we provide customized dimensions, materials, fittings, logos and packaging to match your market and application.

  • Professional export service from inquiry to delivery
  • OEM / ODM customization supported
  • Strict quality control on every order
  • Flexible logistics for worldwide shipping
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Shizhi Trading factory storage bladder production

Applications

Industries We Serve

Our products support a wide range of industries and working conditions.

Agriculture & Irrigation

Water storage, drip irrigation supply and farm water management.

Livestock & Biogas

Biogas storage bags, digesters and farm-scale energy solutions.

Environmental Protection

Oil spill response, floating barriers and pollution control.

Marine & Offshore

Fuel storage bladders, salvage airbags and marine applications.

Construction & Civil

Bridge pre-loading bags, pipe plugging and site water supply.

Emergency Response

Rapid-deploy water tanks and containment equipment for disaster relief.

Energy & Fuel

Flexible fuel and oil storage for remote sites and transport.

Aquaculture

Water storage and fish pond liner solutions for aquaculture farms.

Why Choose Us

Working With Shizhi Trading

We combine manufacturing experience with reliable export service to make sourcing simple.

01

Custom Manufacturing

Custom dimensions, materials, colors, fittings, logos and packaging according to your requirements.

02

Strict Quality Control

Material inspection, dimensional verification, leak testing and final quality checks on every product.

03

Factory-Direct Pricing

Direct cooperation with manufacturers gives you competitive prices without unnecessary middlemen.

04

Fast & Reliable Delivery

Efficient production planning and flexible logistics ensure timely delivery worldwide.

Contact Us

Get a Free Quote

Tell us your product, size and quantity requirements — our export team will reply within 24 hours.

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