Powered by Made-in-China.com
90 Post-Tensioned Flat Tube for Pre-Stressed Concrete Bridge and Buildings
US$0.58-0.68
1,000 Meters
Sample price:US$0.10/meter.Request sample
Product profile
Customization
AvailableAfter-sales Service
YesWarranty
1-3 YearModel NO.
PT70-90Thickness
0.38-0.4 mmSurface Treatment
GalvanizedDia.
70 mm; 90 mmApplication
Post TensionLength
5.8 M / PCS ( Customisable )Transport Package
Stardard Export PackageSpecification
70 x 20 mm; 90 x 20 mmTrademark
JNFLEXOrigin
Changzhou; Jiangsu; ChinaHS Code
7306900090Production Capacity
15000 M / YearKey features
Customizable Length: Standard 5.8m per piece with customizable options available for specific project needs.
Galvanized Surface: Hot dipped galvanized coating ensures strong durability and corrosion resistance for concrete casting.
Wide Application Scope: Ideal for post-tensioning in bridges, viaducts, industrial buildings, dams, and mines.
ISO and CE Certified: Manufactured under ISO 9001, IATF 16949, and CE certifications ensuring high quality standards.
Fast Delivery: Normal delivery within 20 days after receiving deposit or L/C at sight.
In-House Production: Ducts are produced entirely in-house by our own factory workers for quality control.
Sample Availability: Free samples available, with express shipping costs covered by the buyer.
Small Order Acceptance: Stock supply available and small orders are accepted without minimum quantity restrictions.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2012-05-01Nearest Port: Shanghai, NingboAverage Response Time: ≤8.63hTerms 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.
Product Q&A
Q:Can you supply stocks and deal with small orders?
A:
Yes, we can supply stocks and small orders are also accepted.
Q:Do you provide samples and are they free?
A:
Yes, we can offer samples free of charge. However, the express cost should be on the buyer's account.
Q:Do you make the duct in-house?
A:
Yes, we have our own factory so the ducts are produced by our own workers.
Q:What is the weight of the duct per meter?
A:
The weight of the duct per meter is 0.57kg.
Q:Which port do you ship from?
A:
Normally we ship from Shanghai harbour.
Send Inquiry
*To:
JNFLEX (CHANGZHOU) CO., LTD.
JNFLEX (CHANGZHOU) CO., LTD.*Content:
Supplier replies will be sent to your registered email
You may also like
70&90 Post-Tensioned Flat Tube for Pre-Stressed Concrete Bridge and Buildings
US$0.58-0.68
1,000 Meters(MOQ)
90mm High Tension Prestressed Galvanized Flexible Metal Tube for Prestressed Concrete
US$0.58-0.68
1,000 Meters(MOQ)
Customized Durable Hollow Square Pipe Low Carbon Square Tube for Building Material
US$498.00-558.00
1 Ton(MOQ)
Fast Delivery Carbon Steel Square Tube Rectangular Tube for Structural Support and Framing
US$498.00-558.00
1 Ton(MOQ)
Premium Welded Carbon Steel Tubes for Decorative and Transport Use
US$580.00-780.00
3 Tons(MOQ)
Heavy Duty Q195 Hollow Square Steel Pipe Building Construction Tube
US$500.00-560.00
10 Tons(MOQ)
Stainless Steel Seamless Tube for Food Processing
US$1,050.00-1,100.00
10 Tons(MOQ)
Custom Galvanized Tube Cross Arm Pre-Punched Holes OEM
US$7.00-15.00
300 Pieces(MOQ)
Stainless Steel Seamless Tube for Boiler System
US$1,050.00-1,100.00
10 Tons(MOQ)
24/7 Online Steel Pipe and Tube Solutions for Construction
US$580.00-780.00
3 Tons(MOQ)
High-Quality Welded Carbon Steel Tubes for Oil and Gas
US$580.00-780.00
3 Tons(MOQ)
Premium Hot Dipped Galvanized Carbon Steel Square Pipe Tubes
US$498.00-558.00
1 Ton(MOQ)
Excellent Az/Azm/Galvanized/Customized Rectangular Tube for Greenhouse/Tunnel
US$1,090.00-1,100.00
10 Tons(MOQ)
Fabricado En China Precision Welded Rectangular Steel Tube Carbon Steel for Furniture Frame
US$398.00-1,500.00
1 Ton(MOQ)
Stainless Steel Seamless Tube Oil and Gas Application
US$1,050.00-1,100.00
10 Tons(MOQ)
High-Quality 100cr6 Cold Rolled Steel Tube for Precision Machinery
US$398.00-1,500.00
1 Ton(MOQ)
High-Quality 6-20mm Round Carbon Steel Tube for Industry
US$680.00-899.00
10 Tons(MOQ)
Custom Thick-Walled/Industrial Precision/Corrosion-Resistant High-Strength Steel Square Tube
US$600.00-800.00
1 Piece(MOQ)
St52 High Precision Seamless Honed Steel Tube for Hydraulic Cylinder Chrome Tube
US$398.00-1,500.00
1 Ton(MOQ)



















