Geogrid
PP Biaxial Geogrid
PP Biaxial Geogrid is a high-performance polypropylene geosynthetic engineered for soil reinforcement and load distribution. Manufactured through extrusion, punching, and biaxial stretching,…
View Product →GLOBAL GEOSYNTHETICS MANUFACTURER SINCE 1998
World-Class Geosynthetics
Built for Better Infrastructure
One-stop geosynthetic solutions including geogrid, geotextile, geocomposite, geomembrane and geocell for global customer.
1998Established
300,000+ m²Factory Area
70+Production Lines
800+Employees
WHY CHOOSE US
Why Choose Lianyi®
Strong production capacity, fast delivery, flexible service and practical support for global projects.
01
Advanced equipment
20 workshops and 70 production lines support consistent, scalable manufacturing.
02
Technical and solution support
Practical guidance for material selection, specifications and project solutions.
03
Quality assurance
ISO-based management and strict inspection from raw materials to finished products.
04
The fast ability to deliver
Organized production and logistics help keep urgent project schedules moving.
05
Best price
Efficient in-house manufacturing delivers competitive value without compromising performance.
06
OEM service
Flexible branding, packaging and production support for distributors and project partners.
07
Customized product
Dimensions, strength, materials and configurations can be tailored to project requirements.
08
Small Orders Available
Low-volume orders are welcome for trials, samples and specialized project needs.
FEATURED PRODUCTS
Geosynthetics Products
Choose a broad range of standard geosynthetic products or talk to us about project-specific specifications.
Geogrid
PP Triaxial Geogrid
PP Triaxial Geogrid is a polypropylene geosynthetic with triangular apertures and six‑rib nodes, providing 360° radial stiffness. It interlocks with aggregates to…
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Geogrid
Polyester Uniaxial Geogrid
Polyester Uniaxial Geogrids are woven reinforcement grids made from high-modulus polyester yarns with PVC coating. Designed for soil reinforcement, retaining walls, and…
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Fiberglass Geocomposite
Fiberglass Geogrid Knitted With Nonwoven Geotextile
Fiberglass Geogrid Knitted With Non Woven Geotextile is a double layer composite reinforcement material which consists of a non woven needle punched…
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Geocomposite
PP Geogrid Composite With Non Woven Geotextile
PP geogrid composite with nonwoven geotextile is a high-performance geosynthetic material produced by thermally bonding biaxial PP geogrid with PET or PP…
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Geotextile
Polyester Continuous Filament Non Woven Geotextile
Polyester Continuous Filament Non Woven Geotextile is manufactured from 100% polyester long fibers through needle punching and thermal bonding. It delivers strength…
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Geomembrane
HDPE Geomembrane
HDPE Geomembrane is a high-performance waterproofing and barrier liner manufactured from high-density polyethylene resin, compounded with carbon black, antioxidants, and UV stabilizers.…
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LIANYI®Geosynthetics since 1998
About Lianyi®
About Us
Feicheng Lianyi Engineering Plastics Co., Ltd. is a global geosynthetics manufacturer founded in 1998. We develop and manufacture geogrids, geotextiles, geocomposites, geomembranes and geocells for infrastructure and civil engineering projects worldwide.
Our established quality management system and ISO certifications support consistent production, technical guidance and dependable delivery.
- Advanced equipment and 70 production lines
- Technical and project solution support
- OEM, custom products and small orders available
APPLICATIONS
Applications
Improve long-term performance and project economics with materials selected for the application.
01Road & AsphaltBase stabilization, asphalt reinforcement and separation
02Railway & EmbankmentReinforcement, filtration and drainage
03Water & LandfillContainment, waterproofing and environmental protection
04Slope & ErosionSoil confinement, vegetation and erosion control
TECHNICAL INSIGHTS
Blog & News
Practical guidance for material selection, design, installation and long-term performance.
Geomembranes vs Traditional Liners: Which Liner To Choose
Geomembranes vs traditional liners is a decision that shapes containment integrity for decades. In landfill, mining, and water containment projects, the liner is the…
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Geosynthetics in Highway Construction: Factors for Success
Geosynthetics in highway construction deliver cost-effective, long-lasting pavement when material selection is tailored to specific subgrade conditions and product integration follows rigorous quality standards.…
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Geocomposites vs Traditional Drainage Systems for Engineers
The decision between geocomposite drainage and traditional gravel-based systems is not simply a material choice; it is a site-specific engineering calculation that determines how…
Read Article →LET'S MAKE EARTH BETTER TOGETHER
Tell Us About Your Project
Share the application, design requirements and delivery location. Our team will help identify a practical geosynthetic solution.