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.
Complete Steel Structure Workshop Fabrication & Installation
We specialize in custom fabrication and on-site installation of steel structures for industrial facilities, with deep expertise in the industrial steel structure sector and comprehensive end-to-end construction support. From steel selection and component prefabrication to on-site assembly, installation, and commissioning, we maintain strict quality control at every stage. Standardized factory production ensures component precision, while professional welding techniques guarantee structural stability. We can flexibly accommodate installation requirements for large-span and complex-shaped industrial buildings, ensuring standardized on-site construction and thorough safety management. We also provide post-construction maintenance guidance to comprehensively meet the practical and safety needs of industrial facility construction, delivering high-quality, durable steel structures.
High Standard Steel Structure Workshop Erection Project
Core Features & Advantages
The complete manufacturing and installation of our steel-structured industrial buildings utilize high-quality, high-strength steel as the raw material. Thanks to a scientifically sound and rational overall structural design, the entire structure distributes loads evenly and remains stable, offering strong compressive strength and excellent resistance to deformation. All steel components are manufactured in a standardized factory, ensuring precise dimensions and first-class welding techniques. Our professional on-site installation team performs rapid assembly using bolted connections and welding techniques, significantly accelerating construction progress and shortening the overall project timeline, making it the most reliable choice for industrial plant construction.
♦ Reasonable overall cost and high project cost performance
♦ Strong flexibility to meet diversified design and layout demands
♦ Standard prefabrication plus fast and standardized field installation
♦ Firm overall structure with superior seismic and wind resistance
♦ Strong overall bearing capacity, fit for various heavy industrial usage
Applications
Our integrated steel structure fabrication and installation solutions are widely applicable to all kinds of industrial construction projects. They are perfectly tailored for factory workshops, storage warehouses, logistics parks, industrial parks and large industrial production bases. They can fully satisfy construction demands including large-span open space, multi-storey building layout, stable structural performance and quick project delivery. With reliable construction quality and strong environmental adaptability, all components can be prefabricated in factory and installed efficiently on site. It is widely used for new construction, reconstruction and expansion of all types of industrial steel buildings.
♦ Full-process fabrication and installation for single-story industrial workshops
♦ Complete construction service for large span steel storage warehouses
♦ Integrated building solution for multi-story steel structure factory buildings
♦ Professional erection service for industrial park supporting steel buildings
♦ Overall fabrication and installation for heavy-duty industrial plant projects
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.
PRICE YOUR BUILDING
INDUSTRIAL STEEL BUILDINGS
