YOUR STEEL STRUCTURE ENGINEERING EXPERT
We are an international company specializing in steel structure construction and export, with over 17 years of experience in steel structure engineering. We have provided high-quality steel structure building solutions to more than 60 countries worldwide. Our company holds international quality system certifications and possesses integrated service capabilities encompassing design, manufacturing, construction, and export.
Prefab Rapid-assembly Portal Steel Structure Warehouse
The architectural system formed by the combination of portal steel frames and prefabricated modular steel structures is a highly versatile new type of prefabricated steel structure system. With the portal steel frame serving as the primary load-bearing structure and the prefabricated, movable container units functioning as modular components, the two elements complement each other’s strengths, resulting in a structurally stable and durable building with a flexible spatial layout. Modular steel hangar with H-section main frame (Q235/Q355). Factory-prefabricated, bolted assembly, hot-dip galvanized. Clear-span design, no interior columns. Span 20–80m+, height 6–20m+. 50+ year life.
Efficient Transportation Design For Prefabricated Portal Steel Structures
Core Features & Advantages
Portal-frame prefabricated modular steel structures utilize a proven and reliable steel design system to create large-span spaces that combine high load-bearing capacity with excellent structural stability, providing an open, unobstructed environment for manufacturing, warehousing, logistics, and other applications. All components are manufactured to standardized specifications in a factory setting, where they undergo precise cutting, welding, corrosion protection, and painting processes. On-site modular assembly not only significantly accelerates construction progress but also ensures the building’s quality and long-term durability.
♦ Portable & relocatable;
♦ 50% faster build;
♦ Column-free;
♦ Zero maintenance;
♦ Customizable.
Applications
The prefabricated movable container with a steel frame structure can be used in large space scenarios such as industrial plants, warehousing and logistics centers, and temporary production facilities. They can also be combined with container modules to create office spaces, emergency shelters, and commercial facilities. The system offers flexible solutions for a wide range of temporary or long-term applications.
♦ On-site temporary facilities;
♦ Outdoor work basess;
♦ Camp Buildings;
♦ Agricultural Greenhouses;
♦ Temporary facilities.
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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INDUSTRIAL STEEL BUILDINGS
