Overhead Crane Steel Structure Workshop with Portal Frame for Machining Plant Steel Frame Building

The steel structure factory with overhead crane is a prefabricated industrial building engineered for heavy-duty production. Built on a national-standard heavy portal frame steel system, it is upgraded over ordinary factories in crane beam system, equipment bearing, crane lifting capacity, vibration resistance, fire safety, lighting and ventilation. With standardized design, factory-prefabricated components and on-site bolt assembly, it delivers high load capacity, great rigidity and wide column-free space — ideal for machinery manufacturing and heavy equipment assembly.

Pre-engineered steel buildings are a modern construction technology: the complete design is completed at the factory, components are delivered to site and joined entirely with bolted connections — no welding required on site. This makes them suitable for light-frame steel hangars, prefabricated steel factory buildings, workshops and warehouses.

An efficiently designed pre-engineered building can be up to 30% lighter than conventional steel buildings. Lighter weight means less steel consumption and potential cost savings in the structural framework.

The main load-bearing frame uses Q345B (S355JR) H-section steel columns, dedicated crane beams and roof main beams with much higher bearing capacity than ordinary factories. Roof and wall purlins adopt Q235B (S235JR) hot-dip galvanized Z/C steel for excellent corrosion and deformation resistance.

Main steel members are processed by automatic submerged arc welding, sandblasting rust removal and multi-layer industrial anti-corrosion coating. A complete bracing system with cross bracing, knee bracing and tie rods ensures high structural integrity to absorb impact vibration during crane start and stop.

The enclosure system can be fitted with A1 fireproof rock wool sandwich panels, PU insulation panels or flame-retardant color steel sheets for fire resistance, heat insulation, sound insulation and dustproof performance. The roof adopts a complete waterproof sealing system to avoid leakage and dust accumulation. A heavy-duty wear-resistant concrete floor is applied to bear heavy equipment and frequent forklift operation.

1. Customizable 5–20 ton single-girder crane beam system with reserved installation positions and load parameters for overhead and gantry cranes. The structure is calculated by professional structural software to meet load, wind and seismic requirements, resisting continuous production vibration without fatigue deformation risk.
2. Span 12–30 m, eave height 6–12 m. Large column-free space facilitates large equipment assembly and parts transportation.
3. Factory-prefabricated steel components for on-site assembly. Construction cycle is only one-third of brick-concrete workshops, enabling fast equipment entry and production start to shorten the return cycle. Lightweight steel reduces foundation investment.
4. Ridge ventilators and roof daylighting belts are optional to exhaust hot air and dust, improve the workshop environment and cut lighting power consumption.
5. Designed in accordance with industrial fire codes. A-grade fire enclosure, fire partitions and sprinkler positions can be equipped for smooth fire inspection.
6. Mezzanine, office rooms and unloading platforms can be added on demand. Easy for later expansion and reconstruction to meet capacity growth.

Machinery processing workshops, heavy equipment assembly plants, steel structure fabrication workshops, heavy hardware workshops and casting workshops. Suitable for automated, mechanized heavy production with lifting operations.

The crane-ready steel factory features heavy load capacity, impact and seismic resistance, large open space, fast construction and complete fire protection, supporting future expansion. Designed for lifting-based industrial production with higher load standards than ordinary workshops, it is the preferred standardized solution for heavy-duty workshops in industrial parks.

As a professional steel structure solution provider, we deliver a full-cycle, one-stop service covering every phase from initial inquiry to final project completion, supporting your project with reliable efficiency and professional expertise.

We hold full engineering qualifications including the professional contracting qualification for steel structure engineering and the construction work safety permit, and have established three standardized management systems: ISO 9001 Quality Management System, ISO 14001 Environmental Management System and ISO 45001 Occupational Health and Safety Management System.

Our full product portfolio — steel structure buildings, modular light steel houses and container houses — has all been tested and verified by authoritative third-party institutions. The scope covers UL certification, CE certification, Australian certification for rock wool, certifications for fiber cement boards and glass wool, as well as core performance indicators including structural mechanics, fire and corrosion resistance, thermal and acoustic insulation, waterproof sealing and fatigue life, strictly complying with national building codes and industry standards.

For export products, we have obtained a full set of international certifications such as EU CE and EN 1090, which fully adapt to the engineering requirements and trade regulations of all regions worldwide, providing all-round guarantee for compliant project delivery and consistent quality.

Upon receiving your project requirements, our engineering team will provide feedback on drawing approval within 24 hours. We assign a dedicated specialist for 1-on-1 consultation to fully understand your project specifications, local construction codes and budget expectations. Our team will tailor the structural design, optimize material usage and propose the most cost-effective solution that perfectly fits your actual needs.

With standardized production management and a mature fabrication workflow in our own factory, we guarantee a 25-day fast delivery cycle for regular projects. To date, we have successfully delivered over 300 steel structure projects worldwide, accumulating rich experience in cross-border trade and overseas project implementation. All components go through strict quality inspection before delivery and are shipped together with complete construction drawings, detailed installation manuals and guidance videos.

We provide 7*24 hours uninterrupted technical support throughout the whole project cycle. Whenever you encounter technical problems during installation or construction, our professional team will respond promptly and offer targeted solutions. We strictly implement safety management systems in both production and construction links, and have maintained a zero safety incident record all along, ensuring your project is carried out smoothly and safely.

Beyond fabrication and delivery, we also offer optional on-site installation guidance upon request to assist your on-site team with key construction procedures. From design, production and logistics to after-sales support, we take charge of every detail, providing you with a truly hassle-free one-stop steel structure solution.

• STEP 01Customer Inquiry
• STEP 02Targeted Design & Formal Quotation
• STEP 03In-depth Communication & Customized Solution
• STEP 04Plan & Contract Confirmation
• STEP 05Standardized Factory Fabrication
• STEP 06Delivery (components + drawings + installation videos)
• STEP 07Optional On-site Installation Guidance
• STEP 08Project Completion