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 Steel Truss Roof Structure for Theater
Steel trusses for opera houses are precision-engineered from high-strength steel, delivering high rigidity and large-span load capacity. Designed for opera houses, theaters, and concert halls, they easily meet the requirements of column-free interior spaces and complex roof structures. With excellent seismic and wind resistance, these factory-fabricated trusses are quick to install, providing reliable structural support for cultural venues while ensuring architectural aesthetics and long-term durability.
Highly Stable Steel Truss Support
Core Features & Advantages
Heavy-duty trusses for industrial buildings are precision-engineered from high-strength steel. Featuring a scientifically sound and rational structural design, they distribute loads evenly and stably, offering exceptional load-bearing capacity and resistance to deformation. Manufactured through standardized prefabrication in factories, these trusses boast high machining precision and superior weld quality. On-site assembly can be completed quickly using bolts or welding, significantly improving construction efficiency and shortening project timelines. Additionally, the structure’s reasonable self-weight effectively reduces foundation costs. It offers multiple advantages, including high durability, low maintenance costs, and a long service life, making it the ideal support structure for heavy-duty industrial buildings.
♦ Cost-effective and affordable
♦ High adaptability and flexible customization
♦ Precise prefabrication and efficient, rapid installation
♦ Stable and reliable structure with outstanding safety performance
♦ Excellent load-bearing capacity, suitable for heavy-duty applications
Applications
The steel structure arches of the opera house are suitable for various large-span cultural and entertainment buildings. They are specially designed for opera houses, grand theaters, and performance centers. They can meet professional requirements such as large-space without columns, irregular roof shapes, and the load-bearing capacity of stage equipment. They have excellent seismic and wind resistance performance, and can be prefabricated in the factory and assembled on-site quickly. They are suitable for the roof and main load-bearing structure of various new and expanded cultural venues.
♦ Comprehensive steel roof structures for professional opera performance venues
♦ Large-scale truss roofs for indoor theaters and auditoriums
♦ Custom-shaped steel roof structures for cultural and tourism landmark performance venues
♦ Truss structures for theater lobbies, connecting corridors, and ancillary spaces
♦ Roof truss and main load-bearing structure
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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