YOUR STEEL STRUCTURE ENGINEERING EXPERT
We are an international company specializing in steel structure construction and export, with over 15 years of experience in steel structure engineering. We have provided high-quality steel structure building solutions to more than 30 countries worldwide. Our company holds international quality system certifications and possesses integrated service capabilities encompassing design, manufacturing, construction, and export.
High-Standard Portal Steel Structure Workshop Construction
We specialize in the construction of high-standard steel portal frame industrial buildings. Our column-free, long-span portal frame designs maximize space utilization, offering unobstructed views and comprehensive functionality, making them suitable for a wide range of industrial applications. We offer customized design solutions for these facilities, constructed using high-quality steel and industry-standard processes. The structures are safe, reliable, and durable, and can be equipped with comprehensive lighting, ventilation, and envelope systems to create first-class industrial buildings that combine functionality with aesthetic appeal. We build practical, attractive, and high-standard industrial facilities.

Professional Steel Structure Stable Manufacturing
Core Features & Advantages
The portal steel structure factory building is sturdy and spacious, capable of achieving a column-free design and having a large span; utilizing a factory-prefabricated, on-site assembly model, construction speed is increased by 40%; it is wind- and earthquake-resistant and highly durable, with a service life exceeding 50 years; it also supports custom sizing and complies with safety standards.
♦ Clear-span, column-free;
♦ 40% faster build;
♦ 50+ years durability;
♦ Fully customizable;
♦ Safety compliant.
Applications
Portal steel structures are widely used in industrial plants, production workshops, warehousing and logistics centers, and various industrial parks. They create open, unobstructed, long-span spaces; feature a robust and durable structure; offer efficient and rapid construction; and provide flexible layouts with strong adaptability, fully meeting the functional requirements of various industrial production, warehousing operations, and modern industrial park development.
♦ Industrial Production Workshops;
♦ Large Warehousing & Logistics;
♦ Processing Workshops & Industrial Parks.
Product Parameter
| Item | Standard Specification | Customization Range |
|---|---|---|
| Steel Material | Q235B/Q355B | ASTM A36/A572 (as required) |
| Span | 30m | 20m – 60m+ |
| Eave Height | 8m | 6m – 12m |
| Roof/Wall Panels | Single-layer color steel | Insulated panels (EPS/rock wool/PU) |
| Snow Load Resistance | ≤1.5kN/㎡ | Adjustable per local climate |
| Wind Load Resistance | ≤120km/h | Enhanced for typhoon-prone areas |
| Service Life | 50+ years | – |
| Installation Period | 30-45 days (30m×50m size) | Varies by project scale |





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Vision & Mission
We are committed to providing safe, efficient, and environmentally friendly solutions for global customers through continuous technological innovation and exceptional product quality, driving industry progress and collectively creating a better future.
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SHANDONG SHIJIE HEAVY INDUSTRY CO., LTD
Shandong Shijie Heavy Industry Co., Ltd. is located in the High-Tech Development Zone of Jining City, Shandong Province, the hometown of Confucius and Mencius. Covering an area of more than 120 mu (about 80,000 square meters)and with a registered capital of 120 million yuan, the company currently employs over 600 people. It is an integrated service enterprise engaged in general contracting of projects such as construction, municipal engineering, petrochemical engineering, pressure pipelines, and long-distance transmission pipelines. Additionally, it manufactures products including steel structures (space grids,trusses), pressure vessels, SF/FF double-layer oil tanks, skid-mounted refueling devices, and various metal containers.Shandong Shijie has obtained over 80 qualifications and honors, including certifications for the ISO9001 quality management system, ISO14001 environmental management system, ISO45001 occupational health and safety management system, as well as the National Industrial Product Production License.
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