What is the delivery time?

Normally within 20 days after receiving the deposit or the copy of L/C at sight.

What certifications do you have?

We have ISO 9001, IATF 16949, and European Conformity (CE) certifications.

What is the warranty period?

We provide a warranty of 1-3 years.

70mm Post Tension Prestressed Galvanized Steel Corrugated Duct Double Wall Corrugated Pipe

Name: 70mm Post Tension Prestressed Galvanized Steel Corrugated Duct Double Wall Corrugated Pipe
Brand: JNFLEX (CHANGZHOU) CO., LTD.
SKU: 2112334345

Jiangsu, ChinaJNFLEX (CHANGZHOU) CO., LTD.

US$0.94-1.79

1,000 Meters

Sample price:US$0.10/meter.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1-3 Years

Model NO.

PT 40-130

Certification

Function

Sound Insulation, Drainage, Protect, Support

Position

Lower Structure

Type

Main Beam

Thickness

0.3mm

Length

5.8m/PCS(Customisable)

Dia

70mm,90mm

Surface Treatment

Galvanized

Product to Be Used for

PC Strand Grouting Work

Transport Package

Stardard Export Package

Specification

40-130 mm

Trademark

JNFLEX

Origin

Changzhou; Jiangsu; China

HS Code

72119000

Production Capacity

15000 M / Per Year

Key features

Customizable Dimensions: Length and diameter are customizable to meet specific project requirements.

Hot Dip Galvanized: Strong and durable semi-rigid duct with corrosion protection via hot dip zinc coating.

Wide Diameter Range: Available in ID 40mm to 130mm to suit various prestressed concrete structures.

High Production Capacity: Capable of producing 3000 meters per day to ensure timely delivery.

Flexible Application: Bendable and cuttable, easy to tie into position adjacent to reinforcing steel.

Certified Quality: ISO 9001, IATF 16949, and CE certified manufacturer with over 25 years experience.

Fast Delivery: Normal delivery within 20 days after receiving deposit or L/C at sight.

Versatile Usage: Ideal for post-tensioning, precast connections, bridges, and railway structures.

Company profile

High Repeat Buyers ChoicePatents AwardedIn-stock CapacityFull Customization

JNFLEX (CHANGZHOU) CO., LTD.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2012-05-01Nearest Port: Shanghai, NingboAverage Response Time: ≤6.11hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP, Others, FCA

AI-Powered supplier vetting

SummaryJNFLEX (CHANGZHOU) CO., LTD. is a China-based limited company identified as both a trading company and manufacturer/factory, with 122 employees and a stated scope covering metal and plastic corrugated pipes, rubber and plastic products, composite pipelines, machinery, and electronic and electrical products. It reports customization from samples and designs, full customization, recent new-product development, ODM service, and OEM work for known brands. Service controls include written procedures and records for supplier assessment, corrective and preventive actions, and complaint handling. Production evidence includes six quality inspectors and standardized finished-product inspection instructions. Limitations include no overseas warehouse, showroom, agents, branches, or offline trade-show participation; no available SDK; no ERP-based process integration; and no valid import/export license reported, although self-operated import/export rights are also stated. Financial information is insufficient for a...

Supplier typeThe supplier is a limited company in China, classified as both a trading company and manufacturer/factory. Its stated business scope covers manufacturing, processing, self-operation, and agency activities across corrugated pipes, rubber and plastics, composite pipelines, machinery, and electronic/electrical products, while no larger-company affiliation is reported.

After-Sales capabilityThe supplier has written procedures and followed records for customer complaint handling, corrective and preventive actions, and service-capability assessment. However, it reports no overseas warehouse, showroom, agents, branches, or offline trade-show participation, and lists zero countries for overseas services, indicating documented support processes but limited overseas service infrastructure.

R&D capabilityThe supplier reports new products within the past year, ODM services, and customization from samples, designs, and full specifications. It lacks an available SDK and has not established ERP integration for production, procurement, quality-control, and logistics digitization; other sustainability and technical-transformation fields are recorded only as “1” without explanatory detail.

Production capacityThe supplier is identified as a manufacturer/factory with 122 employees, six quality assurance and quality control inspectors, a defined product manufacturing scope, and uniformly followed finished-product inspection instructions. It also reports an average peak-season lead time of one month and off-season lead time within 15 workdays, supporting production capability, although capacity volume is not provided.

Customization capabilityBoth R&D and design-service records explicitly list customization from samples, customization from designs, and full customization. The supplier also reports ODM capability, directly supporting a broad customization offering.

Client casesThe supplier explicitly reports providing OEM services for well-known brands, which is evidence of at least one category of customer experience. No brand names, project details, volumes, or verifiable case descriptions are provided, limiting the depth of case assessment.