YOUR STEEL STRUCTURE ENGINEERING EXPERT
We are a steel structure fabricator and EPC contractor based in Jining, Shandong, China, with 17 years of experience since 2009 and delivered projects in 60+ countries. Shandong Shijie Heavy Industry Co., Ltd. and its sister company, Henan Hengfeng Steel Structure Engineering Co., Ltd., operate as one manufacturing group under the same ultimate ownership. SynJect is the group’s export brand.
Specialized Prefabricated Grid Steel Structures for Sports Venues
Steel-truss-based sports venues are primarily composed of load-bearing steel components, including steel columns, steel beams, steel bracing, steel roof trusses, and steel roofing. Large-span venues are commonly constructed using prefabricated steel trusses, and their flexible design allows for customization to meet the specific requirements of different venues, accommodating both structural configurations and seating arrangements. Each steel load-bearing component has a clearly defined function and works in concert with the others: steel columns bear vertical loads and anchor the venue’s foundation; steel beams connect the columns to form a horizontal framework; steel bracing enhances overall rigidity and resists lateral forces; and the steel trusses and roof panels together form a long-span roofing system, ensuring an open and unobstructed interior space.
Precast Steel Trusses for Venue Structural Systems
Core Features & Advantages
Lightweight and exceptionally strong, it easily accommodates large spans; factory-prefabricated and assembled on-site, it significantly shortens construction time; easy to assemble and disassemble, it can be relocated, and the materials are recyclable. Compared to traditional concrete structures, steel trusses are fabricated from high-strength steel. While ensuring structural load-bearing capacity and stability, they significantly reduce their own weight. These lightweight structures distribute loads evenly, eliminating the need for excessive intermediate supports and allowing them to easily overcome long-span limitations. They are ideally suited for buildings such as sports venues that require open interior spaces.
Applications
Precast steel trusses are widely used in various large-scale sports venues, basketball arenas, training centers, cultural and sports centers, and comprehensive sports facilities, and are an indispensable component of modern construction projects. The model of factory prefabrication and on-site assembly enables the standardized and precision-engineered production of steel components, effectively mitigating the impact of weather conditions and human error on on-site construction. Once the components are manufactured, they are transported to the site via specialized carriers and can then be hoisted into place and assembled.
Product Parameters
| Products | Beams,Columns,H Profile,Lattice Column,Box Beam,Tube,Cross-shaped column |
| Main Material | Q235B(ASTM A36,S235JR), Q355B |
| Surface treatment | Painting, Galvanized |
| Process | cutting,holing,assembly, welding, painting/HDG,packing |
| Quality Control | QC inspection, third party inspection |
| Package | As requested |
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.
CONTACT
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SHANDONG SHIJIE HEAVY INDUSTRY CO., LTD
Headquartered in the High-Tech Development Zone of Jining, Shandong Province, Shandong Shijie Heavy Industry Co., Ltd. and its sister company, Henan Hengfeng Steel Structure Engineering Co., Ltd., operate as a unified manufacturing group under the same ultimate ownership. Globally, we deliver our end-to-end solutions through our dedicated export brand, SynJect.
Drawing on 17 years of export expertise and a proven track record across more than 60 countries, we provide integrated EPC contracting and heavy fabrication. This global reach is backed by our robust manufacturing footprint: an 80,000 m² facility with an annual capacity exceeding 500,000 tons, RMB 120 million in registered capital, and a skilled workforce of over 600 professionals.
Our core expertise spans civil construction, petrochemical facilities, long-distance pressure pipelines, heavy steel structures, pressure vessels, and skid-mounted refueling stations.
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