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.
Industrial Steel Structure Fabrication Assembly Plant
Fabrication assembly plant features a main frame constructed from high-strength structural steel, providing a stable and load-bearing structure capable of accommodating large machine tools, processing equipment, and heavy machinery for production operations. The interior of the workshop features an open and unobstructed layout with no columns, facilitating the arrangement of assembly lines, component machining, complete machine assembly, and final product testing. The entire structure has undergone anti-corrosion and anti-rust reinforcement treatments, offering excellent seismic and wind resistance, making it well-suited for long-term machining production environments. With a short construction period and high construction efficiency, this facility is the preferred industrial building for the machinery manufacturing, metalworking, and equipment assembly industries.

Mechanical Equipment Assembly Steel Structure Factory Hall
Core Features & Advantages
Our steel structure machining and assembly workshops are built with high-strength industrial steel materials. Adopting scientific force-bearing design, the whole structure features uniform stress distribution, strong overall rigidity and excellent heavy-load bearing capacity, effectively resisting deformation under long-term equipment operation and production load. All steel components are finished with standardized factory prefabrication, with precise size and fine welding process. Fast on-site bolt assembly greatly shortens construction cycle and helps enterprises put production into operation quickly. The lightweight structure effectively reduces foundation construction investment and lowers overall building cost. With reliable anti-rust, shockproof and windproof performance, the workshop needs less daily maintenance and owns long service life, perfectly meeting long-term industrial production demands.
♦ Economical construction cost and high return on investment
♦ Flexible layout design to fit various production lines
♦ High precision prefabrication and rapid on-site construction
♦ Solid stable structure with high safety coefficient
♦ Super load-bearing capacity for heavy mechanical equipment placement
Applications
Steel structure machining and assembly workshops are widely used in various mechanical manufacturing industries. They are specially designed for mechanical processing, parts finishing, equipment assembly and product debugging work. They can fully meet the demands of large-span open working space, hoisting operation space and reasonable functional zoning. Featuring good ventilation, lighting and noise reduction performance, they can be prefabricated in factory and installed efficiently on site, suitable for new building, renovation and expansion of all kinds of mechanical production workshops.
♦ Standard steel workshop for general mechanical processing production
♦ Large-span factory hall for heavy equipment assembly
♦ Functional workshop for precision parts machining and fitting
♦ Production building for automated machinery assembly line
♦ Integrated workshop for spare parts processing and finished product storage
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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