Qingdao BEST Steel Structure Co., Ltd. is one of the leading manufacturers and suppliers of electrical structure in China. With abundant experience, Our factory offer high quality products made in China with competitive price. Welcome to contact us for customized service and OEM service.
Product Introduction
Electrical Structure is the core supporting component for power infrastructure, mainly applied in power projects such as electrical substations and transmission lines. It includes gantry structures, substation frames, support brackets and other series of products, which are key equipment to ensure the stable and safe operation of power transmission. Made of high-quality carbon structural steel and high-strength alloy steel, Electrical Structure is precision cut and welded by fully automatic CNC equipment, ensuring accurate component dimensions and stable structure. It can effectively bear the load of power equipment, busbars, insulators, etc., and resist the impact of natural external forces.
All components of Electrical Structure are treated with hot-dip galvanizing to form a dense protective layer on the surface, which has excellent corrosion resistance and anti-aging performance. It can adapt to various extreme environments such as high humidity, severe cold, and coastal high salt spray, with a service life of more than 30 years, greatly reducing the later maintenance cost.
According to the voltage level, on-site working conditions and equipment layout of power projects, Electrical Structure can be customized and designed in full size. The modular production mode can realize rapid on-site assembly, improve construction efficiency.

Product Parameter
|
Height |
From 8M-50M or according to customer's requirement |
|
Color |
Original zinc silver or painted according to customer's requirement |
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Shape |
According to engineering drawings |
|
Material |
Normally Q235B/Q355B |
|
Tolerance of the dimension |
According to customers requirement |
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Surface treatment |
Hot-dip-galvanized, or any other standard by client's requirement |
|
Joint of Poles |
Slip joint, flanged connected |
|
Standard |
GB50661-2011 |
|
Length of per section |
Within 13M once forming |
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Welding Standard |
GB50661-2011/AWS(American Welding Society)D 1.1 |
|
Production Process |
Incoming material test - raw material cutting and holes punching - connecting parts processing - mounting parts tack and welding - surface treatment by hot dip galvanizing - final inspection and packaging |
|
Packages |
Packing with protective mateiral or according to customer's requirement |
|
Durability |
The Substation Steel Structure can last More than 25 years according to environment |

Product characteristics and application
High Structural Strength and Strong Safety: Adopt high-strength steels such as Q235B and Q355B, which are treated with hot-dip galvanizing or anti-corrosion coating. It has high bearing capacity and good deformation resistance, as well as excellent seismic and wind resistance performance. It not only effectively improves the corrosion resistance of components but also ensures that the mechanical properties of the steel are not affected by the environment.
Long Service Life: Adopt mainstream hot-dip galvanizing anti-corrosion technology, which is rust-proof and corrosion-resistant. The design service life is 30 to 50 years, during which only regular simple inspection and maintenance are required, no large-scale renovation is needed, which greatly reduces the later operation and maintenance costs and ensures the long-term stability of power facilities.
High Standardization Level: Mainly adopt factory prefabrication and bolt connection, with on-site assembly. It has short construction period and easy quality control. The components have uniform specifications, which are convenient for transportation, installation, inspection and replacement.
Wide Application Range: Can be customized and designed according to voltage levels and terrain (such as flat land, mountainous areas, river networks, etc.). It can be made into various forms such as angle towers, straight towers, terminal towers, and frames.
Economy and Environmental Protection: Steel can be recycled and reused, which is green and low-carbon. It has low comprehensive cost and low maintenance cost, with high long-term cost performance.
Standardized Production: Products are manufactured in strict accordance with relevant national standards and power industry design specifications. From raw material procurement, production and processing to finished product inspection, a full-process quality control system is implemented to ensure that the product quality meets all requirements for the long-term safe operation of the substation.

Production details and product qualification
Electrical structures are load-bearing structural systems made of high-strength steel through standardized design, factory prefabrication and on-site assembly. As the core supporting components of power transmission and distribution systems, they are mainly used to bear power transmission cables, substation equipment and related accessories, undertaking the key role of stable support and safe transmission. They are widely applied in various power transmission lines, substations, converter stations and new energy supporting power facilities, and are indispensable "skeleton" structures for power grid construction. With high structural strength and strong safety, they can effectively resist harsh natural environments, prevent power safety accidents caused by structural failure, and ensure stable power transmission.
As the core load-bearing components in the power industry, manufacturers of electrical structures must have a complete qualification system, strictly follow national and industry standards, and implement full-process quality control to ensure that the products meet the requirements for the long-term safe operation of power facilities. The core qualifications include domestic standard qualifications, industry-specific qualifications and international certifications.
Commitment to Quality, Safety, and Compliance
For export and international high-end power projects, the company has obtained corresponding international certifications to ensure that its products meet international standards. We strictly comply with the ISO 9001:2015 Quality Management System and adopt the GB 50661-2011 Steel Structure Welding Standard to ensure stable processes, reliable quality and full traceability throughout the whole process. We have also obtained the ISO 45001 Occupational Health and Safety Certification and ISO 14001 Environmental Management System Certification, ensuring that product quality meets the standards and satisfies the long-term safe operation of power steel structures.
Why choose Electrical structure from Qingdao Best Steel Structure Co., Ltd.?
As the core load-bearing components of power facilities, electrical structures directly affect the safety and stability of equipment operation. Qingdao Best Steel Structure Co., Ltd. is your reliable partner, integrating professional R&D, standardized production, strict quality control and comprehensive services. Our electrical structures are made of high-strength steel, with excellent load-bearing capacity; the company is equipped with complete testing equipment and implements full-process quality control and finished product inspection to ensure product reliability; our professional R&D team can provide customized solutions according to voltage levels, terrain and project needs; adhering to the "customer-centric" concept, we provide timely technical support, installation guidance and maintenance advice; we implement full-process product traceability to quickly solve various quality and operational problems encountered during use, ensuring worry-free cooperation.
Choosing our electrical steel structures means choosing safety, reliability, efficiency and cost-effectiveness. We are committed to providing high-quality, customized products to support global power projects.
Send your enquiry today and establish partnership with one of the most trustworthy and reliable steel tower supplier in China.
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