How it works
Your streamlined path to reliable, performance-driven construction solutions.
At DSSI, we simplify complexity. Our refined process ensures precision, efficiency, and long-term structural integrity — delivered in four focused stages:
1
Strategic Planning & Needs Assessment
We begin with a deep dive into your project’s requirements — from structural demands to environmental conditions — to define the best-fit solutions and configurations.
2
Tailored Manufacturing & Specification
Using advanced production capabilities, we craft ducts customized to your needs — flat or round — while meeting all international quality standards.
3
Rigorous Testing & Quality Assurance
Every product undergoes in-house testing for lateral load, leak resistance, and flexural strength to ensure safety, performance, and compliance.
4
Delivery, Installation & Technical Support
From logistics coordination to on-site assistance, we provide end-to-end support — including installation guidance and after-sales technical consultation.
OUR PRODUCTS
Corrugated steel post tension ducts are an important component of many construction projects. They are used to protect post-tensioned cables that are used to strengthen concrete structures.
FLAT DUCT
ROUND DUCT
OUR PRODUCTS FEATURE
Durable 4-Ply Seam Design
Maximizes rigidity and enhances leak resistance
Reinforced Corrugation Technology
Ensures superior concrete bonding performance
Heavy-Duty G90 Galvanized Steel
26-gauge thickness for unmatched durability
High-Precision Couplers
Engineered with 2mm tolerance for seamless connections
Certified & Documented Quality
Includes mill certificates and comprehensive test reports
HDPE and Smooth Steel Post Tension Ducts are vital for reinforcing concrete structures. HDPE ducts provide corrosion resistance and smooth grout flow, while smooth steel ducts offer strength, leakage prevention, and low-friction tendon stressing—together ensuring durability and structural integrity.
HDPE DUCT
Smooth DUCT
Ready to Reinforce Your Next Project with Precision?
There’s no better time to elevate your structural performance. Partner with DSSI today and build with confidence, quality, and innovation.
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