Global Engineering Standards & Certified Protection

CE Certification Geo Membranes Manufacturer & Factories

Company Profile

About Shandong Hongyue

Shandong Hongyue Environmental Engineering Co., Ltd., located at the north end of Fufeng Street, Lingcheng District, Dezhou, Shandong Province, is a scientific and technological geotechnical material manufacturer integrating engineering material production, sales, design and construction services. The company was registered in Lingcheng District Market Supervision and Administration Bureau of Dezhou City on April 6, 2023, with a registered capital of 105 million yuan. It is one of the largest production bases of geotechnical materials in China at present, located in Lingcheng District, Dezhou, Shandong Province, with superior geographical location and convenient transportation.

Since the establishment of the company has developed rapidly, business continues to grow and expand, our company mainly deals in geotextiles, geomembrane, composite geomembrane, waterproof board, bentonite waterproof blanket, 3D composite drainage net, (composite) drainage board, weaving cloth, woven cloth, geotextiles, membrane bags, blind ditches, waterproof and drainage combinations, woven bags, ecological bags, cement blankets, fiber plants blankets, geotextiles, flexible pervious pipes, and more.

Our business includes geosynthetics, waterproofing membrane production, sales, construction, and import/export of goods. We have high quality products and a professional sales and technical team. As a proud member of the Dezhou Geotextile Association, our products are widely used in highways, railways, bridges, tunnels, reservoirs, canals, water conservancy systems, artificial lakes, environmental protection, aviation, mining, and agriculture.

Shandong Hongyue Factory Front View

Global Standards & Industry Standing

How Shandong Hongyue aligns local precision with international compliance expectations.

The company has successively passed the ISO9001 international quality system certification, ISO14000 environmental system certification, and ISO45001 occupational health and safety management system certification. We have won multiple honors such as "green and environmentally friendly building materials products", "no consumer complaints", "famous Chinese brands", "high-tech industries", "quality service double excellent units", and "provincial-level poverty alleviation leading enterprises".

105M
Registered Capital (RMB)
ISO
9001 / 14000 / 45001 Certifications
40+
Major Distribution Hubs
CE
European Conformance Standards

The company has established sales networks or agency agencies in more than 40 large and medium-sized cities such as Shanghai and Beijing, and its products are exported to multiple countries and regions such as Europe, the United States, Australia, and all parts of China. The products are widely used in key projects in various provinces and cities.

Macro-Industry Seepage Control Solutions

Advancing structural lifetime across hydraulic, municipal, environmental, and mining infrastructures.

In modern civil engineering, geomembranes are no longer just basic lining sheets; they form the core barrier system protecting our soil and groundwater resources from pollutants, and safeguarding civil structures from water damage. High-Density Polyethylene (HDPE) geomembranes act as robust barrier coatings. When manufactured to meet rigorous CE certification (following European Standards such as EN 13361, EN 13362, and EN 13491), they present guaranteed levels of tensile strength, multi-axial strain capacity, and chemical resistance.

Hydraulic & Waterway Projects

Used directly inside reservoir basins, irrigation canals, and flood dams to control seepage. The primary objective is to maintain structural mass integrity and avoid base erosion or slope landslides caused by water pressure differentials.

Application of geomembrane in hydraulic engineering

Watercourse Seepage Prevention

Applied extensively to long-distance canal networks and river channel realignments. By combining geotextiles with geomembranes, we establish composite barriers that stand up to constant water flow shear stress and scouring.

Watercourse seepage prevention works

Landfill & Environmental Work

Heavy-duty municipal solid waste (MSW) containment demanding zero-leakage tolerances. Protects surrounding soils against toxic leachate penetration, working together with bentonite clay blankets and drainage net systems.

Landfill seepage prevention works

Industrial Chemical Containment

Critical oil tank farm containment and emergency secondary chemical containment basins. Prevents rapid penetration of fuels, petrochemicals, and reactive hydrocarbons into subgrade foundations.

Geomembrane oil tank area seepage prevention construction site

Industrial Production Integrity & Factory Tour

Inside Dezhou's leading advanced geo-materials manufacturing plant, showcasing our industrial-scale capabilities.

Our company has strong technical strength and rich construction experience, with the capability to undertake various difficult anti-seepage projects. We have achieved standardization of construction site management, standardization of anti-seepage materials, professionalization of construction teams, and integration of engineering after-sales services. The company takes "serving customers and benefiting people's livelihoods" as its responsibility, adhering to the corporate culture of "working hand in hand and creating the future together."

Modern Manufacturing Workshop

High-Speed Extrusion Workshop

Advanced blown film lines producing ultra-wide geomembrane sheets with uniform structural thickness.

Heavy-duty Calendering Line

Multi-Axis Calendering System

Precision temperature control calendering rollers to form textured and multi-layer composites.

Raw Material Silos

Raw Material Storage Silos

Fully automated vertical feed silos containing premium grade HDPE and LLDPE resin chips.

Finished Roll Storage

Large Scale Storage Area

Spacious and organized logistics storage, guaranteeing fast order shipment and protection from UV rays.

Non-woven Needle Punch Line

High-Density Needle Punching

Automated non-woven geotextile manufacturing line, ensuring uniform physical density and weight distribution.

QA Inspection Lab

Advanced Testing Laboratory

Equipped with state-of-the-art instruments for checking mechanical puncture limits and melt index values.

Scientific Geotextile & Geomembrane Production Flow

Every roll of geotextile is engineered to meet national and international standards through a six-step quality loop.

Geotextile is widely used in civil engineering projects, with filtration, isolation, reinforcement, protection and drainage functions. Our modern production equipment and control technology make the overall production efficiency and final quality of geotextiles significantly high.
1

Raw Material Preparation

The main raw materials of geotextiles are polyester chips, polypropylene filament, and viscose fiber. These raw materials need to be inspected, organized, and stored under moisture-controlled conditions to ensure their purity, quality, and chemical stability.

Raw Material Inspection
2

Melt Extrusion

Polyester slices are melted at high temperatures and extruded into a molten state using a screw extruder, and polypropylene filament and viscose fiber are added for mixing. Temperature, pressure, and flow rates must be precisely controlled to avoid polymer degradation.

Melt Extrusion Processing
3

Roll the Net

After mixing, the melt is sprayed through the spinneret to form a fibrous substance and form a uniform network structure on the conveyor belt. At this stage, it is necessary to monitor the thickness, uniformity, and fiber orientation of the mesh.

Rolling the Net to form Fibers
4

Draft Curing

After laying the net into rolls, it undergoes draft curing treatment. The temperature, speed, and draft ratio must be precisely balanced to realign the polymer chains, significantly boosting the material's tensile strength and mechanical stability.

5

Roll & Pack

The geotextile after draft curing is rolled up and packed for subsequent construction. The length, width, and thickness of each geotextile roll are measured and labeled to ensure that it aligns with specific project design requirements.

6

Quality Inspection

At the end of each production link, the physical, mechanical, and chemical properties of the geotextiles are tested. Only rolls that meet or exceed regional quality requirements are approved for shipment to market.

Geomembrane laying and thermal welding onsite
Application Guide

Geomembrane Application & Installation Methods

Proper select, lay, and maintain steps are critical to secure the maximum barrier performance of geomembranes over decades of service.

1. Selecting the Correct Geomembrane

- Material chemistry: Pick either high-density polyethylene (HDPE) or linear low-density polyethylene (LLDPE) based on structural movement risk and chemical exposure.
- Thickness calibration: Commonly ranges from 0.3mm to 2.0mm. Demanding engineering applications typically require 1.0mm to 2.0mm to withstand mechanical stress.
- Impermeability verification: Ensure that the geomembrane has low permeability coefficients to prevent liquids and contaminants from transferring into the subgrade.

2. Correct Site Laying Steps

- Subgrade Preparation: Smooth and clean the terrain, removing sharp rocks, twigs, or roots that could puncture the membrane.
- Laying Methods: Roll out the geomembrane smoothly without stretching it tightly. Allow 2-3% extra material to accommodate thermal expansion and contraction.
- Double-Track Fusion Welding: Align joints with an overlap of 10-15cm, and weld using hot-wedge welding equipment to verify airtight connections.
- Secure Anchoring: Build perimeter anchor trenches to secure the geomembrane edges, preventing wind-uplift and shifting.

3. Long-Term Maintenance

- Periodic Cleaning: Clear silt, biological growth, and debris off the membrane surface to maintain visibility and inspect the barrier integrity.
- Visual Inspection: Look for physical damage, weld degradation, or signs of environmental stress cracking.
- Avoid Sharp Tool Contact: Prevent heavy equipment and sharp tools from directly contacting the membrane during maintenance.

Advanced Quality Assurance & Testing Center

Delivering high-performance barrier membranes that exceed global standards through scientific testing and certifications.

Shandong Hongyue Environmental Protection Engineering Co., Ltd. has established a comprehensive, scientific quality management system. The company uses advanced production technology, complete detection processes, and precision testing equipment to guarantee that all products exhibit superior mechanical performance. The physical properties of our geomaterials meet or exceed Chinese national and ASTM international standards. All products are verified by the China National Testing Center and successfully pass national quality audits.

Rigorous Mechanical Testing Protocols

Our lab technicians regularly run strict quality tests on incoming polymer resins and finished geomembrane rolls:

  • Tensile Strength & Elongation tests (ASTM D6693) to verify elongation properties.
  • Puncture Resistance tests (ASTM D4833 / ASTM D6241) to confirm resistance to sharp rocks.
  • Carbon Black Content tests (ASTM D1603) to ensure correct carbon distribution for optimal UV protection.
  • Environmental Stress Crack Resistance (ESCR) tests (ASTM D5397) to prevent stress cracking.
Lab technician calibration Standardized testing instrumentation

Comprehensive Testing Compliance

Our products are regularly subjected to independent third-party evaluations to confirm full compliance with international safety and quality standards:

CE Certificate Compliance: Validated to meet European Construction Product Regulations, confirming safety and environmental protection for civil projects in the EU.
ISO Standards: Documented compliance across ISO 9001 (Quality Control), ISO 14001 (Environmental Impact), and ISO 45001 (Workplace Safety).

Shandong Hongyue's technical support team operates nationwide, offering support with technical questions, site design, installation strategies, and project management. We provide 24-hour service to ensure your containment project is completed successfully.

Shandong Hongyue Quality Certificates

Global Project Suitability & Environmental Engineering Alignment

A technical guide to matching geomembrane properties to specific environmental climates and compliance systems.

Successful geomembrane performance depends on matching the correct material properties to the specific environment. Different regions have varying climates, regulations, and mechanical stresses. Design engineers must select and install materials carefully to ensure long-term durability and structural safety.

Climatic Adaptability

- Arid/High-UV Regions (e.g., Australia, Middle East): High temperatures accelerate polymer oxidation. In these areas, select geomembranes with elevated High-Pressure OIT (Onygen Induction Time, ASTM D5885) and high carbon black content to resist UV degradation.
- Cold/Freeze-Thaw Environments: Sub-zero temperatures can cause stiff materials to crack. LLDPE geomembranes offer better flexibility and multi-axial strain properties, making them ideal for cold-weather installations.

Chemical & Geotechnical Parameters

- Acidic/Alkaline Waste Sites: Acid rock drainage in mines or chemical industrial wastewater can degrade inferior polymers. High-grade HDPE resists chemical attack from pH 2 to 12.
- Frictional Stability: Smooth geomembranes may slide on steep slopes. Textured geomembranes provide the necessary friction to prevent cover soil or composite liners from slipping.

Regulatory Compliance & Certifications

- European Market (CE Marking): Requires testing to EN 13361 (reservoirs/dams) and EN 13491 (tunnels/underground structures) to ensure consistent quality.
- American Market (GRI-GM13/GRI-GM17): The Geosynthetic Research Institute standards specify minimum thickness, density, tensile properties, tear strength, and oxidative resistance.

Technical Roadmap

The Future of Geomembrane Barriers

At Shandong Hongyue, we continuously improve our manufacturing processes to meet the changing demands of environmental containment. Our technical roadmap focuses on three main development areas:

  • Smart Sensor-Embedded Geomembranes: Embedding conductive backings or sensor elements into the polymer allows real-time leak detection. This technology helps operators locate punctures down to the millimeter, even under deep landfill or tailings layers.
  • Eco-Friendly & Low-Carbon Polyethylene: We are testing bio-based polyethylene resins to lower the carbon footprint of geosynthetics without sacrificing chemical resistance or mechanical performance.
  • Advanced Nano-Composites: Incorporating nanoclay particles and advanced antioxidants improves UV resistance and thermal stability. This extends the service life of exposed geomembranes to over a century.
Shandong Hongyue Technical Research Group

Geomembrane Application in Hydraulic Engineering

A closer look at how geomembranes prevent seepage in critical water resource infrastructures.

Geomembranes are efficient anti-seepage materials that play a key role in water conservancy projects. Their reliable barrier properties, lightweight design, simple installation, and low cost make them essential for modern hydraulic structures.

Reservoir basin lining project

Reservoir Dam Seepage Control

Reservoirs are often built in valleys with complex geological structures. If left unlined, high water pressure can cause leakage through faults and cracks in the bedrock. Installing a geomembrane liner forms a continuous barrier that prevents water loss and helps protect the stability of the surrounding slopes.

Dike reinforcement project

Dike & Levee Structural Reinforcement

Dikes protect low-lying communities from flooding. However, interior piping, animal burrows, and soil erosion can create weak spots within the structure. Applying a geomembrane liner helps seal these areas, preventing seepage and reinforcing the dike against floodwaters.

River channel alignment lining

River Channel & Canal Governance

Irrigation canals and urban river channels require effective water conservation and erosion control. Installing a geomembrane lining prevents water loss from infiltration and protects the channel slopes against erosion, supporting local ecosystems and water management systems.

Expert Engineering Q&A: Geomembrane Containment

Technical answers to common questions about geomembrane selection, installation, and compliance.

Q1: Why is CE certification important for geomembranes in international projects?
CE certification indicates compliance with European Union construction regulations (Regulation EU No 305/2011). For geosynthetics, it certifies that the material meets specific standards for tensile strength, puncture resistance, and durability (such as EN 13361, EN 13362, and EN 13491). This certification gives engineers, contractors, and project owners confidence that the product will perform reliably in civil engineering projects.
Q2: What is the differences between HDPE and LLDPE geomembranes?
HDPE (High-Density Polyethylene) provides excellent chemical resistance, UV stability, and resistance to environmental stress cracking. It is commonly used in landfills, wastewater treatment basins, and mining applications. LLDPE (Linear Low-Density Polyethylene) offers more flexibility and elongation properties, making it easier to install on uneven subgrades and more resistant to stress cracking in cold climates.
Q3: How do you inspect and test geomembrane welds on-site?
On-site quality control relies on non-destructive and destructive testing. Double-track fusion welds are checked using air pressure testing, where the air channel between the two welds is pressurized to confirm the seal. Single-track extrusion welds are evaluated using vacuum box testing or spark testing. Destructive shear and peel tests are also performed on weld samples in an on-site laboratory to verify seam strength.
Q4: What factors determine the lifespan of a geomembrane liner?
Lifespan depends on polymer quality, UV exposure, chemical environment, installation quality, and operating temperatures. High-quality HDPE geomembranes containing premium carbon black and antioxidants can last over 100 years when buried. Exposed geomembranes will have a shorter lifespan due to UV radiation and thermal oxidation, but proper formulation can still extend their service life to several decades.