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Factory Direct Steel Pipe for Industrial and Construction Projects

The Guojian Port Railway Steel Products series cover a wide range of product types of steel sections. They undergo hot-dip galvanizing and zinc-aluminum-magnesium anti-corrosion treatment, featuring wind resistance, earthquake resistance, salt spray resistance, and long service life. The factory can provide customized cutting, punching and bending, as well as deep processing based on drawings. The products are widely used in photovoltaic power stations, steel structure factories, infrastructure projects, industrial equipment frames, etc. Leveraging the advantageous location of Tianjin Port, it supports bulk export to foreign markets and can undertake overseas engineering supply, regional agency, customized processing and other cooperation, providing global customers with one-stop steel purchasing and technical support solutions. Our Steel Pipe series includes products such as Round Steel Tube, etc.



Core Product Advantages:

1. Excellent anti-corrosion performance, suitable for extreme outdoor environments

The entire process of hot-dip galvanizing is strictly controlled, with uniform zinc coating without leakage or slagging; the zinc-aluminum-magnesium coating has a corrosion resistance three times that of ordinary galvanizing, capable of withstanding salt spray from the seaside, high-temperature exposure, and low-temperature freeze-thaw, and requires no maintenance throughout the entire service life.

2. Customized deep processing, one-stop delivery

The factory has full-process processing capabilities including cutting, punching, bending, welding, and fixed-length cutting. Customers can complete prefabrication based on construction drawings and directly assemble and install on-site, reducing overseas labor costs and shortening project duration.

3. Structural mechanics optimization, stable and reliable load-bearing

The cross-section of the steel sections has been professionally designed for mechanics, with wind resistance, earthquake resistance, and settlement resistance meeting standards, capable of withstanding a strong wind load of 22m/s, suitable for different wind and snow load standards in various regions worldwide.

4. Comprehensive category support, one-stop purchasing

It can simultaneously supply main steel sections, bolt clamps, connection pieces, and other complete sets of steel structure accessories. Customers do not need to compare prices from multiple suppliers, reducing supply chain management costs.

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Round Steel Tube

Round Steel Tube

Guojian (Tianjin) Steel supplies hot-dip galvanized Round Steel Tube specifically designed for photovoltaic (PV) perimeter fencing and mounting poles. These pipes are manufactured using seamless or straight-seam national standard steel tubing that undergoes a high-temperature, full-immersion galvanizing process. Their smooth, rounded cross-section effectively disperses wind pressure and prevents the accumulation of dust or water, making them ideal for PV site perimeter barriers, surveillance poles, and equipment support columns. We offer custom processing services—including beveling, threading, and drilling—and maintain a comprehensive range of pipe diameters with rapid shipping capabilities. We can also supply complete sets of matching PV steel structural accessories for consolidated delivery. Full material inspection documentation is provided directly from the factory, ensuring compliance with construction acceptance standards for both inland and coastal PV projects, as well as requirements for export.
Square Steel Tube

Square Steel Tube

Guojian (Tianjin) Steel Manufacturer has its own independent warehousing and processing lines, specializing in the production of Square Steel Tubes suitable for photovoltaic (PV) steel structures. We offer a variety of product specifications and support pre-processing services, including on-demand cutting, stamping and bending. Our inventory is sufficient and production scheduling is flexible. We provide a one-stop supply solution covering photovoltaic installation components and foundation structures, and are equipped with complete product technical documentation to meet the inspection, acceptance and bid document requirements of the projects.



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