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.
Multi-Story Prefab Steel Frame School Campus Building
With a mature steel structure design system and standardized construction processes, our multi-story steel frame construction sites adopt a build-to-order model featuring factory prefabrication and on-site assembly. The high precision of the main structural components and rapid installation speed effectively shorten the overall construction schedule. The entire structure utilizes high-strength steel, offering excellent seismic resistance, wind resistance, and load-bearing capacity. The open and flexible spatial layout meets the operational requirements of multi-story projects such as commercial, office, and public buildings. Construction at the site is conducted in a standardized and orderly manner with strict quality control, balancing safety, efficiency, and construction quality to provide reliable structural construction solutions for various types of modern multi-story buildings.
A Commercial Building With A Steel Frame Under Construction
Core Features & Advantages
The use of a standardized and industrialized construction system for multi-story steel-frame projects not only enhances construction efficiency and quality but also significantly improves safety, space utilization, and cost control. By modularizing and standardizing the design, production, and construction processes of steel-frame structures, construction timelines can be effectively shortened, enabling faster project delivery. The factory production of prefabricated components ensures high precision and consistency in every part, eliminating the quality fluctuations that can occur in traditional construction methods and greatly enhancing the overall quality and stability of the building.
♦ Fast construction speed with manageable project timelines
♦ Environmentally friendly and with cleaner construction practices
♦ Flexible and open spatial layout
♦ Structurally safe and stable, with strong seismic and wind resistance
♦ More cost-effective overall, with low long-term maintenance costs
Applications
Steel-frame construction is widely used in modern high-rise buildings, commercial complexes, office buildings, residential buildings, and various industrial facilities. Due to its lightweight structure, high strength, and rapid construction, this method has become a key choice in urban development. Through standardized and industrialized construction systems, steel-frame structures effectively meet the spatial efficiency and stability requirements of large-span and high-rise buildings, making them particularly suitable for projects that demand fast delivery and high-quality standards.
♦ Transportation hub buildings
♦ High-rise buildings in the city
♦ Mega-scale commercial complex
♦ School campus building
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
