Suspension Tower33kV – 1000kV | Custom Design | Global Standards
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.
Suspension Tower
Tension Tower
Dead End Tower
Double Circuit Tower
River Crossing TowerHigh-quality steel and optimized engineering provide maximum strength.
Hot dip galvanizing provides strong rust and corrosion protection.
Tailored solutions according to project requirements.
Designed and manufactured to IEC, ASTM and BS EN standards.
Efficient production and on-time delivery support global projects.
Strict quality control supports more than 30 years of service life.
1Raw MaterialHigh-quality steel material inspection.
2CuttingCNC cutting ensures high precision.
3WeldingAutomatic welding ensures strong joints.
4Trial AssemblyPre-assembly for accurate fit and installation.
5GalvanizingHot dip galvanizing for excellent corrosion protection.
6InspectionStrict inspection before packing and delivery.




Raw Material TestingChemical composition and mechanical properties testing ensures material quality.
Welding InspectionUltrasonic and magnetic particle testing for critical welds.
Galvanizing TestingZinc coating thickness and adhesion testing ensures protection.
Final InspectionDimensions and appearance are checked before packing and shipment.ZZ Steel is your trusted partner for suspension tower manufacturing. Contact us today for a competitive quote for your project.