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.
Large-Span Bridge Construction Project
The large-span bridge construction division serves a wide range of major transportation infrastructure projects, providing end-to-end services from conceptual design through to project handover. Leveraging a proven technical framework and extensive project experience, we efficiently execute the construction of highly complex, long-span bridges, ensuring that projects are safe, reliable, and durable, thereby providing a solid infrastructure foundation for regional transportation connectivity and economic development. The project features high construction efficiency, strong structural safety, and wide applicability in various environments. It can achieve long-distance without-pylon crossing, significantly enhancing traffic capacity and urban road network layout. It is an indispensable core project type in modern infrastructure construction.
Municipal & Highway Bridge Engineering
Core Features & Advantages
Long-span bridge construction projects are characterized by their high safety standards and long service life. The structural systems undergo rigorous mechanical analysis and optimization, resulting in excellent seismic and wind resistance, and the ability to withstand complex geological conditions and harsh climatic environments. The use of high-strength, corrosion-resistant steel ensures exceptional durability, enabling the bridges to withstand heavy traffic loads over the long term. This guarantees stable operation throughout the bridge’s entire lifecycle and significantly reduces operation and maintenance costs.
♦ High structural load-bearing capacity
♦ Excellent wind and earthquake resistance
♦ Advanced and efficient construction techniques
♦ Durable, corrosion-resistant, and long-lasting
♦ Adapt to complex engineering environments
Applications
Long-span bridge construction projects are widely used in modern urban development, serving applications such as urban expressway systems, scenic bridges spanning rivers, large-scale interchange interchanges, and dedicated rail transit bridges. Their structural characteristics—featuring large spans and few piers—minimize land use and reduce disruption to ground-level urban traffic, while balancing architectural aesthetics with structural safety. These bridges are suitable for key projects such as downtown areas, new district developments, and transportation hub infrastructure, providing strong support for enhancing urban operational efficiency and creating iconic city landmarks.
♦ Super-large bridge project
♦ Special large-span bridges for railways and high-speed railways
♦ Urban elevated expressways and interchanges
♦ Urban Landscape Bridges and Landmark Bridge Projects
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
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
