Do you offer customization services?

Yes, we offer minor customization, customization from designs, samples, full customization, and flexible customization.

What are the available internal diameters?

Internal diameters are available in 30, 45, 60, and 90 millimeters.

What is the porosity rate of the product?

The surface porosity and porosity are over 85%, ensuring excellent drainage performance.

Green Tunnel Underground Drainage Permeable Blind Pipe Disorderly Filamentous Internal Support Drainage Pipe Rectangular Pressure Resistant Plastic Blind Ditch

Name: Green Tunnel Underground Drainage Permeable Blind Pipe Disorderly Filamentous Internal Support Drainage Pipe Rectangular Pressure Resistant Plastic Blind Ditch
Brand: Dezhou Sentai Environmental Technology Company Limited
SKU: 2031158402

Shandong, ChinaDezhou Sentai Environmental Technology Company Limited

US$3.22

1,000-49,999 Meters

US$2.50

50,000-4,999,999 Meters

US$0.885

5,000,000+ Meters

Sample price:US$10.00/square meter.Request sample

Product profile

Customization

Available

After-sales Service

Until 100% Satisfaction

Warranty

Satisfaction Guaranteed

Model NO.

50mm-300mm

Color

Black Green

Application

Electrical Engineering, Roads & Railways & Airports Project, Water Conservancy Project, Civil Transportation Environment

Function

Reinforcement, Drainage, Acid and Alkali Resistance and Aging Resistance

Classification

Composite Geotextiles

Material

PE PP

Type

Composite Geomembrane

Internal Diameter

30/45/60/90 Millimeters

External Diameter

60/80/100/150/200 Millimeters

Void Rate

Minimum 75%

Transport Package

Export Special Packaging

Specification

customizable

Trademark

Sentai

Origin

Dezhou City, Shandong Province

HS Code

3926909090

Production Capacity

10000 Meters/Day

Key features

High Porosity Drainage: Surface porosity exceeds 85% for excellent collection and drainage performance.

High Pressure Resistance: Compressive strength reaches tens of tons per square meter for reliable support.

Chemical & Aging Resistance: Resistant to acid, alkali, UV rays, and aging with strong durability.

Flexible Adaptability: Good flexibility adapts well to soil deformation in complex environments.

Lightweight Construction: Easy to handle and construct, reducing labor and time costs.

Customizable Dimensions: Internal diameters from 30 to 90mm and external diameters up to 200mm available.

Optional Filter Membrane: Filter membrane is optional for more targeted and cost-effective solutions.

Large Stock Availability: Keeps a large stock of goods for quick delivery and immediate needs.

Company profile

Importers and ExportersFast DeliveryManagement CertificationStandardized quality control

Dezhou Sentai Environmental Technology Company Limited

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9 yearsNearest Port: tianjin port, Yiwu Port, guangzhou portAverage Response Time: ≤0.30h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with research and development capability and broad customization services, including sample-, design-, full-, minor-, and flexible customization. Its products are used in major infrastructure and environmental applications and are exported to multiple international markets. Production is supported by geomembrane and geotextile lines, equipment from Germany, Italy, and Taiwan, and a stated quality management system. The supplier reports random finished-product inspection, two quality assurance and quality control inspectors, and inventory capability. However, it does not provide 3D software design or an SDK, lacks a valid manufacturing-capacity contract with related subcontractors, and has no overseas warehouse, showroom, agents, branches, or offline trade-show participation. Financial records are referenced for three years, but no financial performance details are provided.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and lists activities including new material technology development, graphene materials, engineering plastics, synthetic materials, building materials, solid-waste management, and environmental-protection equipment. This indicates a technical and materials-oriented business scope.

CertificationsThe supplier states that its products have passed ISO 9001:2000 quality-system certification and ISO 14001:2004 environmental-system certification, in addition to meeting national standards. These are explicit certification claims supporting quality and environmental management capability.

After-Sales capabilityThe supplier states that it provides complete after-sales service, maintains inventory capability, and has written service-capability procedures with follow-up records. However, it has no overseas warehouse, showroom, agents, or branches, and offers overseas service in zero countries, limiting documented international after-sales reach.

R&D capabilityThe supplier is identified as having professional technical R&D capability and lists development of new material technology in its business scope. Its production equipment and quality-control technology are described as advanced, but it does not provide 3D software design services or an available SDK.

Production capacityThe supplier operates geomembrane and geotextile production lines, reports inventory capability, and states peak- and off-season average lead times within 15 workdays. It also reports equipment from Germany, Italy, and Taiwan and has written service-capability procedures, although it lacks a valid manufacturing-capacity contract with related subcontractors.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated both for its R&D/design services and in its finished-product capability information.

Client casesThe supplier reports product use in national key projects and sectors including water conservancy, highways, railways, municipal engineering, airports, ports, underground pipe galleries, landfills, mining, agriculture, and ecological systems. It also reports exports to Europe, the United States, Japan, Singapore, Hong Kong, and Southeast Asia, providing evidence of broad application and market exposure.