How do you ensure product quality?

Every production process is controlled by professional technicians, and we have a 100% quality inspection before delivery.

What is the lead time for samples and bulk orders?

Sampling takes 5-7 days. Bulk lead time is within 15 workdays for both peak and off-peak seasons.

Are you a manufacturer or trading company?

We are a direct factory manufacturer with our own production lines and workers, ensuring flexible and competitive pricing.

30mm-300mm Prestressed Concrete Spiral Post-Tension Grouting Duct for Precast Concrete

Name: 30mm-300mm Prestressed Concrete Spiral Post-Tension Grouting Duct for Precast Concrete
Brand: Ningbo Wewin Magnet Co., Ltd.
SKU: 1925543836

Zhejiang, ChinaNingbo Wewin Magnet Co., Ltd.

US$2.90

1,000-2,999 Pieces

US$2.10

3,000-7,999 Pieces

US$1.60

8,000+ Pieces

Product specifications

Grout Tube

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Warranty

1year

Application

Bridge,Contruction

Certification

CE, ISO

Surface Treatment

Hot Dipped Galvanised

Material

Galvanized Steel Strip

Type

Grout Tube Spiral Duct

Productname

Grout Tube Spiral Duct

Secondary or Not

Non-Secondary

Head Code

Square

Length

Washable

Thickness

0.25-0.40mm

Diameter

35-140 mm(Customizable)

Selling Units

Single Item

Packaging Details

Standard Exported Packing for Spiral Steel Pipe

Grout Duct

Design Style

Industrial

Seing Units

Singie Rtem

Feature

Water Resistant, Durable,Anti Corrosion

After-Sale Service

Online Technical Support

Alloy or Not

Non-Alloy

Project Solution

Capability 3D Model Design

Transport Package

Standard Exported Packing for Spiral Steel Pipe

Trademark

Wewin

Origin

Zhejiang. China

Key features

Hot-Dip Galvanized Surface: Ensures excellent corrosion resistance and long service life for durable performance.

Flexible Spiral Structure: Allows easy bending without cracking, ensuring simple installation on site.

Smooth Inner Surface: Improves grout flow efficiency and reduces friction during post-tensioning.

High Strength & Durability: Made of premium galvanized steel, resistant to deformation and high pressure.

Customizable Dimensions: Diameter 35-140 mm and length available in standard or customized sizes.

Precise Dimension Control: Strict production control ensures accurate diameter and thickness specifications.

1-Year Warranty Coverage: Comprehensive warranty support for peace of mind and quality assurance.

Direct Factory Manufacturer: Owns production lines and workers, offering flexible and cost-effective solutions.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceIn-stock CapacityR&D Capabilities

Ningbo Wewin Magnet Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤3.88h

About Our Factory & Business Background

Address102, Building 28, Zhongnan Gaoke Zhizaogu, 18, Xieye East Road, Xiepu Town, Ningbo, Zhejiang, China

Plant Area1400 square meters

Number of Employees18

Registered Capital1,000,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity10 Pcs

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsShuttering Magnet, Fishing Magnet, Gun Magnet, Magnetic Sweeper, Magnetic Hook, Rubber Coated Magnet, Magnetic Filter, Pot Magnet, Office Magnet, Magnetic Tools

Production Lines1

Production MachinesCutting Machine, Milling Machine, Grinding Machine, CNC Lathe, Assembly Line

QA/QC inspectors1 people

Inspection Type for Finished ProductsRandom inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers1 people

Traceability of Raw MaterialsYes