25-Nov-2025
Dongqi Crane MG Series Double-Girder Gantry Cranes: The Ideal Choice for Marble and Concrete Factories
In the realm of industrial manufacturing, marble and concrete factories serve as the cornerstones of the construction and design industries, demanding utmost efficiency and reliability from their equipment. In such a rigorous environment, the performance of lifting machinery directly influences the smooth operation of production lines and the quality of the final products. Dongqi Crane, a renowned leader in the crane manufacturing sector, stands out with its MG Series warehouse double-girder gantry cranes, offering the perfect solution for marble and concrete factories.
Unparalleled Strength and Stability
The MG Series double-girder gantry cranes by Dongqi Crane are engineered with robustness in mind. Their double-girder design provides exceptional stability, ensuring that even the heaviest loads are lifted and transported with precision and safety. This is particularly crucial in marble factories, where delicate marble slabs require careful handling to prevent damage, and in concrete factories, where large quantities of raw materials and precast concrete elements need to be moved efficiently.
With lifting capacities ranging from 10 tons to 40 tons, these cranes can effortlessly handle the diverse range of loads encountered in marble and concrete production. Whether it’s lifting massive marble blocks from the quarry or moving heavy concrete mixers within the factory, the MG Series cranes deliver unmatched performance.

Product Parameters Table
To give you a clearer picture of the technical specifications of Dongqi Crane’s MG Series cranes, here’s a detailed parameters table:
| Parameter | 10-Ton Model | 25-Ton Model | 40-Ton Model |
|---|---|---|---|
| Lifting Capacity (tons) | 10 | 25 | 40 |
| Span (m) | Customizable (up to 30) | Customizable (up to 35) | Customizable (up to 40) |
| Lifting Height (m) | Customizable (up to 18) | Customizable (up to 20) | Customizable (up to 22) |
| Operating Speed (m/min) | 5 – 20 (adjustable) | 5 – 20 (adjustable) | 5 – 20 (adjustable) |
| Power Supply | 3-phase AC, 380V ±10% | 3-phase AC, 380V ±10% | 3-phase AC, 380V ±10% |
| Motor Type | High-efficiency electric | High-efficiency electric | High-efficiency electric |
| Control Method | Pendant/Remote Control | Pendant/Remote Control | Pendant/Remote Control |
| Safety Features | Overload protection, emergency stop, anti-collision | Overload protection, emergency stop, anti-collision | Overload protection, emergency stop, anti-collision |
| Working Environment | Indoor/Outdoor, -20°C to +45°C | Indoor/Outdoor, -20°C to +45°C | Indoor/Outdoor, -20°C to +45°C |
Customizable to Fit Your Needs
Recognizing that every factory has unique spatial and operational requirements, Dongqi Crane offers a high degree of customization for its MG Series cranes. From the span and lifting height to the control system and safety features, every aspect of the crane can be tailored to meet the specific needs of your marble or concrete factory.
For instance, if your factory has limited ceiling height, Dongqi Crane can design a crane with a reduced lifting height while maintaining optimal performance. Similarly, if you require a crane with a longer span to cover a wider area, the company can accommodate your request, ensuring that the crane fits seamlessly into your existing layout.
Energy Efficiency and Cost Savings
In today’s world, where energy conservation and cost-effectiveness are paramount, Dongqi Crane has incorporated advanced technologies into its MG Series cranes to minimize power consumption. By utilizing high-efficiency electric motors and intelligent control systems, these cranes reduce operational costs while maintaining high productivity levels.
The adjustable operating speed feature allows operators to select the most appropriate speed for each task, further optimizing energy usage. Moreover, the cranes’ design focuses on minimizing maintenance requirements, further contributing to cost savings. With fewer breakdowns and longer service intervals, your factory can enjoy uninterrupted operations, avoiding costly downtime and production delays.
Enhanced Safety Features
Safety is of utmost importance in any industrial setting, and Dongqi Crane has left no stone unturned in ensuring the safety of its MG Series cranes. Equipped with overload protection systems, emergency stop buttons, and anti-collision devices, these cranes provide a secure working environment for your employees.
The overload protection system automatically stops the crane if the load exceeds its rated capacity, preventing potential accidents. The emergency stop button allows operators to halt the crane’s movement instantly in case of an emergency. The anti-collision device detects obstacles in the crane’s path and automatically adjusts its movement to avoid collisions, enhancing overall safety.
Additionally, the cranes’ intuitive control systems make operation straightforward and user-friendly, reducing the risk of operator errors that could lead to accidents. Regular safety inspections and maintenance services provided by Dongqi Crane further ensure that your cranes remain in top condition, adhering to the highest safety standards.
Real-World Applications
The versatility and reliability of Dongqi Crane’s MG Series double-girder gantry cranes have made them a popular choice among marble and concrete factories worldwide. In a marble factory in Italy, for example, an MG Series crane with a 25-ton lifting capacity has been instrumental in streamlining the production process, enabling the factory to handle larger marble blocks and increase output.
Similarly, in a concrete factory in China, an MG Series crane with a 40-ton capacity has significantly improved the efficiency of raw material handling, reducing the time required to move cement, sand, and gravel from storage to the production line. This has not only boosted productivity but also enhanced the overall quality of the concrete products.
Conclusion
In conclusion, Dongqi Crane’s MG Series double-girder gantry cranes represent the pinnacle of lifting equipment for marble and concrete factories. Their unparalleled strength, customizable features, energy efficiency, and enhanced safety make them the ideal choice for factories seeking to optimize their operations and enhance productivity.
Whether you’re looking to upgrade your existing lifting equipment or invest in a new crane for your expanding factory, Dongqi Crane has the expertise and experience to deliver a solution that meets your needs. With a proven track record of success and a commitment to customer satisfaction, Dongqi Crane is your trusted partner in the world of industrial lifting. Choose Dongqi Crane’s MG Series cranes and experience the difference that quality and innovation can make in your marble or concrete factory.
