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.
Frame Steel Structure of High-Rise Office & Commercial Buildings
The steel frame structure for high-rise buildings is a structural form widely utilized in modern high-rises; it primarily consists of components such as steel columns, steel beams, and steel connectors, forming a structural system characterized by high load-bearing capacity and exceptional stability. Multi-story steel structure (10–100+ floors) for commercial/residential use. Primary frame: Q355B / ASTM A572 high-strength steel columns/beams. Composite metal deck floors. Seismic resistant (Magnitude 8+). Fire-protected with intumescent coating. 50+ year life. Compliant with AISC/IBC/Eurocode. From commercial complexes to high-end residential properties designed for comfort, steel-frame construction achieves a perfect blend of structure and function, showcasing the sophisticated practicality of modern architecture.
High Quality High-rise Steel Frame Building for Commercial Use
Core Features & Advantages
Frame steel structural components are predominantly prefabricated in factories and rapidly assembled on-site using bolts or welding, thereby significantly shortening the construction cycle. Furthermore, the smaller cross-sections of steel structures reduce the spatial footprint occupied by beams and columns, thereby increasing the building’s actual usable area—a factor that provides robust support for the realization of high-rise construction projects.
♦ 40% lighter than concrete;
♦ 50% faster build;
♦ Magnitude 8+ seismic resistant;
♦ 12m+ clear span;
♦ 100% recyclable;
♦ Low maintenance, 50+ years.
Applications
The excellent performance and convenient construction of the frame steel structure of high-rise buildings are mostly applied in construction projects, especially for large-span high-rise buildings. Common applications include office buildings, commercial complexes, hotels, sports arenas, and exhibition centers. These structures typically demand high levels of strength, stability, and flexibility, and steel structures’ high load-bearing capacity, seismic resistance, and rapid construction make them an ideal choice.
♦ Commercial offices;
♦ Residential apartments;
♦ Mixed-use developments;
♦ Hotels;
♦ Hospitals & schools.
Product Parameter
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Product name
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Customized steel structures for cement production
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Material
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Q235B, Q345B
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Surface treatment
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1. Painting; 2. Galvanized;
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Certification
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SO9001, ISO14001, OHSAS18001, EN1090, ISO3834
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Standard
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GB, ASTM, EN, ISO, AS/ANS,JIS,JWB
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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.
CONTACT
MORE PRODUCTS
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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INDUSTRIAL STEEL BUILDINGS
