China Box Type Single Girder Gantry Crane Factory – Heavy-Duty Lifting Solutions by Trusted Suppliers
Key Features
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Box Girder Structure
The main beam is fabricated as a closed box, ensuring high structural strength, torsion resistance, and reduced deflection under heavy loads.
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Reliable Hoisting Mechanism
Equipped with wire rope electric hoists or chain hoists, offering stable lifting, accurate positioning, and energy-efficient operation.
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Versatile Configurations
Available in rail-mounted or rubber-tired options, adjustable span lengths, and various lifting heights.
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Weather Protection
Ideal for outdoor environments thanks to anti-corrosion surface treatments and weatherproof electrical components.
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Enhanced Safety
Integrated overload limiters, anti-collision systems, emergency stop, limit switches, and buffer devices.
Technical Specifications
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Lifting Capacity
3 tons to 32 tons (customizable)
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Span Length
7.5 to 30 meters
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Lifting Height
6 to 12 meters (or as per request)
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Working Class
A3~A5 (suitable for medium to heavy-duty work)
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Power Supply
380V 50Hz 3Phase (custom voltage supported)
Applications
This crane type is widely used for:
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Steel structure workshops
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Precast concrete yards
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Container yards
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Shipyard operations
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Heavy equipment assembly
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Large material warehouses
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Railway maintenance bases
Benefits
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High Load Efficiency
Box girder design ensures optimal use of materials and increases the crane’s loading performance.
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Longevity and Low Maintenance
Closed structure reduces wear and protects internal components from dust and moisture.
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Precision Operation
Advanced control systems with optional inverter frequency conversion for smooth starting and braking.
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Customization Support
We offer tailored designs, dimensions, and colors to fit your operational layout and branding.
Why Choose Our Factory?
As a leading Chinese crane manufacturer, we offer competitive advantages:
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Full in-house production with strict quality control (ISO, CE certified)
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Exported to over 40 countries
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Quick lead time and stable supply chain
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Professional engineering support team
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One-stop solution including installation guidance and after-sales service
Frequently Asked Questions
Q: What is the advantage of a Box Girder structure?
A: The box girder design features a closed structure that provides exceptional torsional rigidity, higher structural strength, and minimized deflection under heavy loads, ensuring long-term durability and safety.
Q: Can the lifting capacity and span length be customized?
A: Yes, our single girder gantry cranes are fully customizable. We offer lifting capacities from 3 to 32 tons and span lengths from 7.5 to 30 meters to meet your specific operational needs.
Q: Are these cranes suitable for outdoor operations?
A: Absolutely. They are engineered with advanced weather protection, including anti-corrosion surface treatments and weatherproof electrical enclosures, making them ideal for outdoor environments like shipyard and precast concrete yards.
Q: What safety configurations are included?
A: Safety is integrated through overload limiters, anti-collision systems, emergency stop buttons, limit switches, and buffer devices to protect both operators and cargo.
Q: Do you support local industrial voltage requirements?
A: Yes, while our standard power configuration is 380V 50Hz 3Phase, we support custom voltage options to match the industrial power grids of different global locations.
Q: Do you provide installation support?
A: Yes, we offer a comprehensive one-stop solution that includes complete installation guidance, technical engineering support, and reliable after-sales maintenance services worldwide.