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.
Portal Steel Structure & Steel Structure Factory workshop
Portal steel structure and steel structure factory workshop combine precise mechanical design with the advantages of compression and wind resistance, as well as modular rapid assembly. Steel structure factory workshops feature large-span, column-free spaces that accommodate heavy-duty equipment and enable efficient production. The combination of factory prefabrication and on-site assembly accelerates construction, while high-strength, corrosion-resistant steel ensures long-term stability. Tailored to industrial needs, these structures use professional steel construction technology to lay a solid foundation for both architectural and industrial spaces. Rigid portal frame system with H-section columns/rafters (Q355B/ASTM A572). Welded or hot-rolled sections, bolted connections. Secondary C/Z purlins. CNC precision, shot-blasted, epoxy or galvanized finish. Span 10–60m (single), 60–120m+ (multi-span). Eave height 4–20m. Crane ready (5–100T). 50+ year life. Compliant with AISC/IBC/MBMA.
Fast Installation Portal Steel Structure Workshop
Core Features & Advantages
Portal steel structure industrial workshops offer significant advantages. Their large-span, column-free design breaks down spatial constraints, providing an ideal environment for heavy equipment manufacturing while maximizing space utilization. The model of factory prefabrication and on-site assembly shortens the construction timeline. Steel combines high strength with lightweight properties, enabling it to securely support heavy loads while reducing foundation loads, making it suitable for a wide range of geological conditions.
♦ 20–30% less steel, optimized design;
♦ 60m+ clear span;Crane ready (5–100T);
♦ 50% faster build;
♦ Zero maintenance, 50+ years;
♦ Fully customizable;
♦ AISC/IBC compliant.
Applications
Steel-structure factory workshops focus squarely on core industrial requirements; leveraging expansive, column-free designs, they effortlessly accommodate heavy machinery and high-efficiency production lines, providing spacious and adaptable manufacturing environments for sectors such as equipment manufacturing and logistics. Backed by specialized steel-structure expertise—ranging from enhancing the quality of building entrances to empowering industrial production through optimized spatial utilization—these structures offer flexible customization, durability, and stability to precisely meet the diverse needs of various operational scenarios.
♦ Manufacturing plants;
♦ Warehouses&logistics;
♦ Cold storage;
♦ Fabrication shops;
♦ Chemical storage;
♦ Agricultural sheds;
♦ Exhibition & sports halls.
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
