| After-sales Service: | Yes |
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| Warranty: | 1-3 Year |
| Material: | Steel Structure |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
| Product name | PT 70 Slab Prestressed Flat Slab for Large-Diameter Concrete Building Embedded Metal Duct ISO9001 |
| Material | Galvanized Steel Strip |
| Shape | Flat |
| Manufacturing processes | Producing pipes with corrugated waves by passing steel strips through multiple cold pressing processes |
| Color | Silver |
| OEM/OEM | Yes |
| Quality certification | ISO 9001 |
| MOQ | Negotiable or as per customer 's requirement |
| Packing | Customer Requirements |
| Supply cycle | Samples are 25-35 days; the order can be adjusted according to the situation for 40-60 days of normal manufacturing period. |
| Payment Terms | 100% TT / 30%TT in advance, balance 70% before delivery |
| Shipping port | Shanghai, China |
| Application | Bridges, construction scaffolding, pre-embedded steel strands, etc. |
Galvanized Post tension Flat duct(0.38mm-0.4mm thick)
| Category: | Round and flat |
| Dimension: | Flat size 70x20-90x20mm |
| Application: | Post-tensioning pre-stressed concrete construction and infrastructure projects, such as bridges, viaducts, multi-story industrial building, dam, mine etc. |
| Packing: | 1.in bundles, 2.with containers, 3.standard seaworthy exported packaging or as the customer's request. |
| Deliery time: | Nomally within 20days after receiving the deposit or the copy of L/C at sight. |
| Most popular size: | 70*20mm,90*20mm |
| Product Features | Lightweight; High stiffness; Good tightness; Strong adhesive pull-out force; Ensure construction quality; Shorten the construction period |
| Performance Data | Radial stiffness; Leak-proof performance |
| Experimental Testing | Axial tension test; Bending test; Tensile elasticity; Salt spray test |
JNFLEX (CHANGZHOU) CO., LTD is located in Changzhou City, Jiangsu Province, China. Established in 1995, we specialize in providing flexible connection and protection solutions for various industries including construction, automotive, high-speed rail, steel metallurgy, and more. With ISO 9001 and IATF 16949 certifications, as well as European Conformity (CE) certification, we ensure high product quality.
Our 20,000-square-meter facility, with 18,000 square meters of factory space, houses over 120 employees. We maintain long-term partnerships with Fortune 500 companies and export to Europe, Southeast Asia, Australia, South America, Africa, and other regions.
Customer Feedback
Certifications
Q1: Can you supply stocks? Can you deal small orders?
A1: Yes, we can.Small orders can also be accepted.
Q2: Do you provide samples ? is it free or extra ?
A2: Yes, we can offer samples free of charge. But the express cost should be on buyer's account.
Q3: Do you make the duct in-house?
A3: Yes, we have our own factory so the ducts are produced by our own workers.
Q4: Weight of duct per meter?
A4: The weight of duct per meter is 0.57kg.
Q5: Which port do you send from?
A5: Normally we ship from Shanghai harbour.
Suppliers with verified business licenses
Audited Supplier 
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