What warranty and after-sales service are provided?

We provide a one-year warranty and lifetime after-sales service.

What are the main applications for this product?

It is applied in landscape gardens, construction projects, traffic projects, municipal projects, and decoration projects.

What is the minimum order quantity?

The minimum order quantity is 1.

Subway Tunnel Dimple HDPE Drainage Board with Top Compressive Strength

Name: Subway Tunnel Dimple HDPE Drainage Board with Top Compressive Strength
Brand: TINHY GEOSYNTHETICS CO., LTD.
SKU: 744140642

Shandong, ChinaTINHY GEOSYNTHETICS CO., LTD.

US$0.65-1.80

2,000 Square Meters

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Lifetime

Warranty

One Year

Model NO.

THDS-10mm

Material

HDPE

Kind

Dimple Drainage Board

Water Absorption

1.5%~3.5%

Contraction Percentage

2.0%~5.0%

Tensile Strength

3.6MPa

Width

Length

20m/Roll

Standard

ASTM, Ce Certification, ISO Standard, GB/T

Service Life

More Than 50 Years

Delivery Time

Within 10 Days After Order Confirmation

Color

Black, White or as Customers’ Required.

Application

Landscape Garden, Construction Project, Traffic Pr

Function

Drainage, Anti-Seepage etc.

Transport Package

Packed with Plastic Woven Bag

Specification

10mm-1.0mm

Trademark

Tianyan

Origin

Shandong Province, China

HS Code

3921909090

Production Capacity

20000sqm/Day

Key features

High Pressure Resistance: Made of high impact and pressure resistance HDPE to prevent distortion under long-term high pressure.

Customizable Dimensions: Width and color can be customized as per customer requirements, including black and white options.

Multi-Standard Compliance: Meets ASTM, CE, ISO, GB/T, CJ/T, JT/T, TB/T, and JC standards for global reliability.

Long Service Life: Designed for a service life of more than 50 years with excellent anti-aging properties.

Dual Functionality: Provides effective drainage and anti-seepage capabilities for various construction projects.

Comprehensive Warranty: Offers a one-year warranty on the product with lifetime after-sales service support.

Fast Delivery: Delivery time is within 10 days after order confirmation for efficient project scheduling.

Certified Quality: Backed by ISO9001, ISO14001, and CE certifications ensuring high quality and safety.

Company profile

Importers and ExportersExperienced TeamR&D CapabilitiesManagement Certification

TINHY GEOSYNTHETICS CO., LTD.

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: 22 years CertifiedNearest Port: Qingdao portAverage Response Time: ≤4.46h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory in Zhangqiu District, Jinan, operating in industrial textile, coating, paint, chemical-product, and coil-product activities. It has dedicated production lines for geomembranes, geotextiles, GCL, composite drainage boards, and geofilters, with standardized finished-product inspection instructions. Customization is available across sample, design, full, minor, and flexible requirements, and the supplier provides ODM and OEM services. However, it does not provide 3D software design, reported no new products in the past year, lacks overseas warehouses and showrooms, and has no valid manufacturing-capacity contract with associated subcontractors. Certifications and import/export rights are reported, while financial credibility and customer-case evidence remain insufficient for a firm assessment.

Supplier typeThe supplier is explicitly identified as a factory located in Zhangqiu District, Jinan, with manufacturing and sales activities covering industrial textiles, coatings, paints, chemical products, and coil products. This supports classification as a manufacturing supplier rather than a purely trading company.

CertificationsThe supplier reports CRCC railway product certification, CQC environmental protection certification, European CE certification, three management-system certifications, an AAA credit-rating certificate, and import/export self-support rights. These stated credentials provide explicit evidence of certification coverage, although the specific three management systems are not identified.

After-Sales capabilityThe supplier has written procedures and followed records for service-capability assessment, corrective and preventive actions, and customer-complaint handling. This directly supports a documented after-sales and service-management process.

Production capacityFive dedicated production lines are reported for geomembranes, geotextiles, GCL, composite drainage boards, and geofilters, with uniformly followed finished-product inspection instructions, inventory capability, and stated lead times within 15 working days in both peak and off-season. Nevertheless, the supplier lacks a valid manufacturing-capacity contract with associated subcontractors, so production capability is evidenced but capacity governance has a stated weakness.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also provides ODM and OEM services. It does not provide 3D software design, which limits design-service scope but does not negate the documented physical and product customization capabilities.