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.
Custom Portal Steel Structure Full Aisle Warehouse
Custom portal steel structure full aisle warehouses with a through-design facilitate easy access and management of goods. The open and airy layout allows for structural optimization tailored to the client’s specific operational needs. With a well-designed all-aisle layout and smooth logistics flow, these facilities are ideal for large-scale warehousing operations. Rigid portal frame with H-section columns/rafters (Q355B/ASTM A572). Clear span design, no interior columns. Bolted connections, C/Z purlins. Hot-dip galvanized or epoxy coated. Span 20–80m (up to 120m), eave height 5–25m. Crane ready (5–50T). 50+ year life. AISC/IBC compliant.
Multi Purpose Portal Steel Structure Through Type Warehouse
Core Features & Advantages
Designed specifically for large-scale warehousing applications, this gantry-style steel warehouse features a 100% column-free design that maximizes usable interior space. The space can be expanded at any time to meet actual needs, fully accommodating modern warehousing requirements. The flexible design adapts to various terrains—whether flat land or complex topography—enabling rapid construction. The structural stability remains unaffected by terrain, making these warehouses suitable for a wide range of applications.
♦ 100% column-free;
♦ 80m+ clear span;
♦ 50% faster build;
♦ Zero maintenance, 50+ years;
♦ Large doors;
♦ Crane ready;
♦ Expandable.
Applications
With core advantages such as long spans, high load-bearing capacity, rapid construction, and strong adaptability, portal steel structures perfectly meet the stringent requirements for spatial scale, functional needs, and safety performance across various applications. In diverse settings such as aircraft hangars, warehouses, and exhibition halls, they serve as key architectural frameworks that support core operations and enable efficient functioning, unlocking the infinite possibilities of various spatial applications through their robust capabilities.
♦ Aircraft hangars;
♦ Warehouses;
♦ Showrooms;
♦ Sports arenas;
♦ Exhibition halls;
♦ Agricultural storage;
♦ Industrial workshops.
Technical Superiority vs Concrete Structures
| Performance Metric | Steel Structure | Concrete Structure | Improvement Rate |
|---|---|---|---|
| Strength-to-Weight Ratio | 490MPa yield strength | 30MPa compressive | 1630%↑ |
| Construction Speed | 500m²/day | 150m²/day | 233%↑ |
| Seismic Performance | Ductility coefficient μ=6-8 | μ=3-4 | 100%↑ |
| Carbon Footprint | 85% recyclable | 40% recyclable | 112%↓ |
| Product name | Steel Warehouse |
| Material | ASTM; GB; |
| Surface | Painted |
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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