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.
Anti-corrosion Steel Pipe Rack Engineering for Chemical Industrial Park
Customized steel-structured utility tunnels can be designed to meet specific project requirements regarding span, load capacity, and the number of utility lines, accommodating various complex layouts such as straight sections, curves, and varying heights. With a high degree of component standardization, controllable production cycles, and rapid, efficient on-site installation, these systems significantly reduce overall project timelines. Their flexible characteristics—including the ability to be disassembled, relocated, and expanded—allow them to align with long-term plant development and pipeline expansion plans, making them a highly cost-effective mainstream solution for pipeline construction in industrial parks and new urban districts.
Long-span Steel Pipe Racks for Industrial Parks
Core Features & Advantages
Steel-structured elevated utility tunnels are constructed using a process that involves prefabrication of complete units in a factory and on-site installation via crane. All components, including steel columns, beams, and pipe supports, are manufactured to standardized specifications in a workshop. The steel structure offers high ductility and excellent seismic resistance, with a flexible layout and strong adaptability to various spans. It is well-suited for large-span elevated installations, thereby reducing foundation investment and labor costs from the outset.
♦ Modular prefabricated assembly ensures efficient construction and short project timelines
♦ Lightweight yet high-load-bearing capacity, significantly reducing infrastructure costs
♦ Excellent corrosion and weather resistance, suitable for a wide range of complex operating conditions
♦ Neat and compact layout with centralized piping and safety protection
♦ Modular design allows for easy disassembly and expansion, facilitating future maintenance, operation, and upgrades
Applications
Steel-structured pipe racks are primarily used for installing overhead pipelines across roads and sites within industrial complexes. They are also suitable for projects such as urban landscape pipelines and connecting pipelines along riverbanks. These structures are well-suited for heavy industrial complexes in sectors such as petrochemicals, metallurgy, energy, and building materials, as well as for various infrastructure projects including urban renewal, industrial new towns, and eco-cultural tourism parks.
♦ Overhead pipeline corridor in heavy industry plant area
♦ Steel structure pipeline corridor crossing roads and rivers
♦ Municipal pipeline corridor for urban new districts
♦ Landscape-type overhead pipeline corridor in cultural and tourism parks
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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