• Main Support Legs
  The structure uses four seamless steel tubes (or high-frequency welded steel tubes) as the main supporting legs. Flanges and bolts are used to connect the tubular legs, which gives the tower a stable square-shaped support structure.
• Secondary Members
  The horizontal and diagonal members are made of angle steel or steel pipes. These parts are fixed by gusset plates with welding or bolted connections, creating a truss structure that improves overall stability.
• Foundation System
  A four-corner base foundation is used, anchored to the ground with foundation bolts. Some designs also use a gravity-ball balancing system to improve how the structure handles compressive loads.

Typical Installation Environments
4-legged tubular steel communication towers are suitable for flat areas, urban outskirts, and mountainous regions with relatively low wind pressure. They also work well in areas with many base stations, where several installations need to be set up within a limited space.

• Technical Specifications
• Applicable Standards

The four tubular legs share the load at four support points, which helps keep the structure well balanced. The round steel tubes at the base help the tower deal better with wind, while the flange or bolted joints keep all the connections firm and properly aligned over time.

Compared with traditional lattice towers, the four-leg tubular structure stays more stable under real working loads and resists bending much better in daily operation. The four-point foundation spreads the load more evenly across the ground, adapts well to different soil conditions, and provides strong resistance against overturning in tall, heavy-duty structures.

4-legged tubular towers can be installed as a whole unit or in sections, which speeds up construction and reduces on-site requirements. Their compact structure also takes up less ground space, helping keep land use and site costs lower.

4-legged tubular towers can carry equipment from multiple network operators at the same time. Several signals can run through the same tower at the same time, which helps improve network efficiency and eases congestion for smoother, more reliable communication.

Manufacturing Process

• Laser Cutting
• CNC Punching and Shearing
• Hot-Dip Galvanizing and Surface Protection

Laser Cutting
Laser cutting is used to shape the steel components through focused beam cutting and assisted gas removal. The process offers fast cutting speed and high dimensional accuracy (up to ±0.05 mm), while keeping heat impact to a minimum. This reduces the risk of deformation and results in clean, well-defined edges.

CNC Punching and Shearing
Steel angles are processed through CNC-controlled punching and shearing lines. Automatic feeding, positioning, punching, and cutting are all integrated into the process, keeping production running smoothly and efficiently. Precise CNC positioning keeps quality consistent, even when working with more complex parts.

Hot-Dip Galvanizing and Surface Protection
The tower is protected with hot-dip galvanizing as the main anti-corrosion treatment, along with an extra plastic coating for added protection. The zinc layer protects the steel from rust and adds strength, while the coating gives extra insulation and surface protection. This combined treatment allows the tower to maintain reliable performance for over 20 years and adapt well to harsh environments such as high and low temperatures, coastal areas, and mountainous regions.