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SHANDONG SHIJIE HEAVY INDUSTRY

Design Installation Raw Material Manufacturing

Shandong Shijie Heavy Industry

Specialized in steel structure manufacturing and heavy steel fabrication for custom projects.
Excellent value, best-selling worldwide

One-Stop Construction for Large Steel Structure Projects

Specializing in the construction of workshops, warehouses, office buildings, power plants, chemical buildings and heavy industrial projects, with integrated manufacturing and construction services.

CHINA STEEL STRUCTURE FABRICATION & HEAVY STEEL FABRICATION MANUFACTURER

A Wide Selection of High Quality Products for You

Large Span Portal Steel Structure

Industrial Factory And Warehouse Building

Heavy-Duty Frame Steel Structure

Steel Structure Commercial Office Building

Prefabricated Spatial Grid Structure

Public Venues

Steel Structure Public Infrastructure Projects

Steel Structure Agricultural Livestock Farming

Metallurgical Chemical Industry

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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 Robust Production and Supply

Shijie Heavy Industry

We maintain ample finished product inventory, breaking the long-standing industry drawback of lengthy order cycles. Once an order is placed, production can begin immediately, significantly shortening your waiting time, ensuring projects start on time, and giving you a head start in construction opportunities.

Tailored solutions to meet the needs of all client projects

Class A design, Class A processing, Class A contracting

OUR ADVANTAGES

High quality China steel & metal manufacturer and supplier, more trustworthy!

FAST DELIVERY

3-5 Days

COMPETITIVE PRICE

10% off

QUOTATION SREVICE

1 Vs 1

NEWS & CASES

Industry News and Professional Insights — Your Trusted Source for Steel Structure Industry Information

STEEL STRUCTURE SPLICING

 Direct butt welding (Fig. a) or splice plates with fillet welds (Fig. b) may be used.
When splice plates and fillet welds are adopted, the flanges and web of the member should be equipped with separate splice plates and welds to ensure direct and uniform force transmission, avoiding excessive stress concentration. When determining the width of the web splice plate, sufficient clearance must be reserved to facilitate electrode operation during longitudinal weld welding.

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STEEL STRUCTURE WORKSHOP SCALE PLANNING

When planning a new steel structure workshop, one of the most critical design considerations is selecting the appropriate dimensions. Span, height, and column spacing are not merely technical details; they directly influence construction costs, workflow efficiency, crane installation, and even the long-term adaptability of the building.

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What Is A Steel Portal Frame Structure?

The portal frame steel structure stands out for its exceptional space utilization, controllable construction costs, and standardized construction system. This classic steel portal frame structure is widely used in steel warehouses, industrial plants, agricultural sheds, and other applications, making it the most prevalent steel structural system in current civil and light industrial construction.

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