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Suspension Towers

33kV – 1000kV | Custom Design | Global Standards

Product Overview

Founded in 2010, ZZ Steel designs and manufactures Suspension Towers for 33kV to 1000kV power transmission projects. With an annual production capacity of 80,000+ tons and project supply to 30+ countries, our towers combine high strength, excellent corrosion resistance and long service life.

Voltage Level33kV – 1000kV
MaterialQ235B / Q355B
Surface TreatmentHot Dip Galvanized
Galvanizing StandardISO 1461 / ASTM A123
Design StandardIEC 60826 / ASTM A36
BS EN 1090
Wind SpeedUp to 60m/s
Seismic IntensityUp to Grade 9
Service LifeMore than 30 years
Since 2010 · 30+ Export Countries · 80,000+ Tons Annual Capacity

Types of Transmission Towers

Suspension TowerSuspension Tower
Tension TowerTension Tower
Dead End TowerDead End Tower
Double Circuit TowerDouble Circuit Tower
River Crossing TowerRiver Crossing Tower

Technical Advantages

High Strength Structure

High-quality steel and optimized engineering provide maximum strength.

Excellent Corrosion Resistance

Hot dip galvanizing provides strong rust and corrosion protection.

Customized Design

Tailored solutions according to project requirements.

Comply With Global Standards

Designed and manufactured to IEC, ASTM and BS EN standards.

Fast Delivery Worldwide

Efficient production and on-time delivery support global projects.

Long Service Life

Strict quality control supports more than 30 years of service life.

Manufacturing Process

Raw steel material1Raw MaterialHigh-quality steel material inspection.
CNC steel cutting2CuttingCNC cutting ensures high precision.
Automatic welding3WeldingAutomatic welding ensures strong joints.
Trial assembly4Trial AssemblyPre-assembly for accurate fit and installation.
Hot dip galvanizing5GalvanizingHot dip galvanizing for excellent corrosion protection.
Quality inspection6InspectionStrict inspection before packing and delivery.

Global Project Cases

Suspension towers in Southeast Asia

Southeast Asia

132kV Transmission Line Project in Indonesia

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Suspension towers in South America

South America

500kV Transmission Line Project in Brazil

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Quality Control

Raw material testingRaw Material TestingChemical composition and mechanical properties testing ensures material quality.
Welding inspectionWelding InspectionUltrasonic and magnetic particle testing for critical welds.
Galvanizing testingGalvanizing TestingZinc coating thickness and adhesion testing ensures protection.
Final inspectionFinal InspectionDimensions and appearance are checked before packing and shipment.

Looking for Reliable
Tower Solutions?

ZZ Steel is your trusted partner for suspension tower manufacturing. Contact us today for a competitive quote for your project.

Send Us an Inquiry